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Finding the Fourth Proportional to 56,750.30, 85,125.45 and 15,197.30

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Solution

The fourth proportional to 56,750.30, 85,125.45 and 15,197.30 is: 22,795.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,750.30 : 85,125.45 = 15,197.30 : x
  2. Step 2: Convert to fraction form
    56,750.30/85,125.45 = 15,197.30/x
  3. Step 3: Cross multiply
    56,750.30x = 85,125.45 × 15,197.30
  4. Step 4: Simplify right side
    56,750.30x = 1,293,677,001.29
  5. Step 5: Solve for x
    x = 1,293,677,001.29/56,750.30
  6. Step 6: Final answer
    x = 22,795.95

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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.