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Finding the Fourth Proportional to 63,547.86, 87,706.55 and 35,262.66

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Solution

The fourth proportional to 63,547.86, 87,706.55 and 35,262.66 is: 48,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,547.86 : 87,706.55 = 35,262.66 : x
  2. Step 2: Convert to fraction form
    63,547.86/87,706.55 = 35,262.66/x
  3. Step 3: Cross multiply
    63,547.86x = 87,706.55 × 35,262.66
  4. Step 4: Simplify right side
    63,547.86x = 3,092,766,252.42
  5. Step 5: Solve for x
    x = 3,092,766,252.42/63,547.86
  6. Step 6: Final answer
    x = 48,668.30

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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.