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Finding the Fourth Proportional to 3,065.90, 4,599.01 and 874.96

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Solution

The fourth proportional to 3,065.90, 4,599.01 and 874.96 is: 1,312.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.90 : 4,599.01 = 874.96 : x
  2. Step 2: Convert to fraction form
    3,065.90/4,599.01 = 874.96/x
  3. Step 3: Cross multiply
    3,065.90x = 4,599.01 × 874.96
  4. Step 4: Simplify right side
    3,065.90x = 4,023,936.10
  5. Step 5: Solve for x
    x = 4,023,936.10/3,065.90
  6. Step 6: Final answer
    x = 1,312.48

Related Problems

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Double scale
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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.