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Finding the Fourth Proportional to 63,661.68, 87,761.88 and 44,740.08

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Solution

The fourth proportional to 63,661.68, 87,761.88 and 44,740.08 is: 61,677.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,661.68 : 87,761.88 = 44,740.08 : x
  2. Step 2: Convert to fraction form
    63,661.68/87,761.88 = 44,740.08/x
  3. Step 3: Cross multiply
    63,661.68x = 87,761.88 × 44,740.08
  4. Step 4: Simplify right side
    63,661.68x = 3,926,473,532.15
  5. Step 5: Solve for x
    x = 3,926,473,532.15/63,661.68
  6. Step 6: Final answer
    x = 61,677.19

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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.