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Finding the Fourth Proportional to 62,672.76, 94,007.82 and 15,288

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Solution

The fourth proportional to 62,672.76, 94,007.82 and 15,288 is: 22,931.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,672.76 : 94,007.82 = 15,288 : x
  2. Step 2: Convert to fraction form
    62,672.76/94,007.82 = 15,288/x
  3. Step 3: Cross multiply
    62,672.76x = 94,007.82 × 15,288
  4. Step 4: Simplify right side
    62,672.76x = 1,437,191,552.16
  5. Step 5: Solve for x
    x = 1,437,191,552.16/62,672.76
  6. Step 6: Final answer
    x = 22,931.68

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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.