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Finding the Fourth Proportional to 37,894.59, 56,881.50 and 15,721.13

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Solution

The fourth proportional to 37,894.59, 56,881.50 and 15,721.13 is: 23,598.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,894.59 : 56,881.50 = 15,721.13 : x
  2. Step 2: Convert to fraction form
    37,894.59/56,881.50 = 15,721.13/x
  3. Step 3: Cross multiply
    37,894.59x = 56,881.50 × 15,721.13
  4. Step 4: Simplify right side
    37,894.59x = 894,241,456.10
  5. Step 5: Solve for x
    x = 894,241,456.10/37,894.59
  6. Step 6: Final answer
    x = 23,598.13

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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.