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Finding the Fourth Proportional to 59,149.80, 81,639.90 and 37,635.39

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Solution

The fourth proportional to 59,149.80, 81,639.90 and 37,635.39 is: 51,945.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,149.80 : 81,639.90 = 37,635.39 : x
  2. Step 2: Convert to fraction form
    59,149.80/81,639.90 = 37,635.39/x
  3. Step 3: Cross multiply
    59,149.80x = 81,639.90 × 37,635.39
  4. Step 4: Simplify right side
    59,149.80x = 3,072,549,476.06
  5. Step 5: Solve for x
    x = 3,072,549,476.06/59,149.80
  6. Step 6: Final answer
    x = 51,945.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.