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Finding the Fourth Proportional to 37,854.60, 56,792.86 and 15,663.88

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Solution

The fourth proportional to 37,854.60, 56,792.86 and 15,663.88 is: 23,500.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,854.60 : 56,792.86 = 15,663.88 : x
  2. Step 2: Convert to fraction form
    37,854.60/56,792.86 = 15,663.88/x
  3. Step 3: Cross multiply
    37,854.60x = 56,792.86 × 15,663.88
  4. Step 4: Simplify right side
    37,854.60x = 889,596,543.90
  5. Step 5: Solve for x
    x = 889,596,543.90/37,854.60
  6. Step 6: Final answer
    x = 23,500.36

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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.