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Finding the Fourth Proportional to 60,368.43, 90,553.32 and 18,248.88

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Solution

The fourth proportional to 60,368.43, 90,553.32 and 18,248.88 is: 27,373.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,368.43 : 90,553.32 = 18,248.88 : x
  2. Step 2: Convert to fraction form
    60,368.43/90,553.32 = 18,248.88/x
  3. Step 3: Cross multiply
    60,368.43x = 90,553.32 × 18,248.88
  4. Step 4: Simplify right side
    60,368.43x = 1,652,496,670.28
  5. Step 5: Solve for x
    x = 1,652,496,670.28/60,368.43
  6. Step 6: Final answer
    x = 27,373.52

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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.