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Finding the Fourth Proportional to 4,401.66, 6,602.51 and 1,323.66

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Solution

The fourth proportional to 4,401.66, 6,602.51 and 1,323.66 is: 1,985.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,401.66 : 6,602.51 = 1,323.66 : x
  2. Step 2: Convert to fraction form
    4,401.66/6,602.51 = 1,323.66/x
  3. Step 3: Cross multiply
    4,401.66x = 6,602.51 × 1,323.66
  4. Step 4: Simplify right side
    4,401.66x = 8,739,471.77
  5. Step 5: Solve for x
    x = 8,739,471.77/4,401.66
  6. Step 6: Final answer
    x = 1,985.49

Related Problems

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Half scale
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Double scale
Find fourth proportional to 4,402.66, 6,604.01 and 1,324.66
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.