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Finding the Fourth Proportional to 44,638, 66,957.38 and 11,358.10

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Solution

The fourth proportional to 44,638, 66,957.38 and 11,358.10 is: 17,037.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,638 : 66,957.38 = 11,358.10 : x
  2. Step 2: Convert to fraction form
    44,638/66,957.38 = 11,358.10/x
  3. Step 3: Cross multiply
    44,638x = 66,957.38 × 11,358.10
  4. Step 4: Simplify right side
    44,638x = 760,508,617.78
  5. Step 5: Solve for x
    x = 760,508,617.78/44,638
  6. Step 6: Final answer
    x = 17,037.25

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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.