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Finding the Fourth Proportional to 19,248.06, 28,881 and 10,472.52

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Solution

The fourth proportional to 19,248.06, 28,881 and 10,472.52 is: 15,713.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,248.06 : 28,881 = 10,472.52 : x
  2. Step 2: Convert to fraction form
    19,248.06/28,881 = 10,472.52/x
  3. Step 3: Cross multiply
    19,248.06x = 28,881 × 10,472.52
  4. Step 4: Simplify right side
    19,248.06x = 302,456,850.12
  5. Step 5: Solve for x
    x = 302,456,850.12/19,248.06
  6. Step 6: Final answer
    x = 15,713.63

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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.