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Finding the Fourth Proportional to 3,841.82, 5,762.65 and 1,244.76

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Solution

The fourth proportional to 3,841.82, 5,762.65 and 1,244.76 is: 1,867.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.82 : 5,762.65 = 1,244.76 : x
  2. Step 2: Convert to fraction form
    3,841.82/5,762.65 = 1,244.76/x
  3. Step 3: Cross multiply
    3,841.82x = 5,762.65 × 1,244.76
  4. Step 4: Simplify right side
    3,841.82x = 7,173,113.10
  5. Step 5: Solve for x
    x = 7,173,113.10/3,841.82
  6. Step 6: Final answer
    x = 1,867.12

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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.