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Finding the Fourth Proportional to 63,565.72, 87,707.50 and 35,265.40

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Solution

The fourth proportional to 63,565.72, 87,707.50 and 35,265.40 is: 48,658.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,565.72 : 87,707.50 = 35,265.40 : x
  2. Step 2: Convert to fraction form
    63,565.72/87,707.50 = 35,265.40/x
  3. Step 3: Cross multiply
    63,565.72x = 87,707.50 × 35,265.40
  4. Step 4: Simplify right side
    63,565.72x = 3,093,040,070.50
  5. Step 5: Solve for x
    x = 3,093,040,070.50/63,565.72
  6. Step 6: Final answer
    x = 48,658.93

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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.