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Finding the Fourth Proportional to 36,473, 54,687.62 and 14,259.92

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Solution

The fourth proportional to 36,473, 54,687.62 and 14,259.92 is: 21,381.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,473 : 54,687.62 = 14,259.92 : x
  2. Step 2: Convert to fraction form
    36,473/54,687.62 = 14,259.92/x
  3. Step 3: Cross multiply
    36,473x = 54,687.62 × 14,259.92
  4. Step 4: Simplify right side
    36,473x = 779,841,086.19
  5. Step 5: Solve for x
    x = 779,841,086.19/36,473
  6. Step 6: Final answer
    x = 21,381.33

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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.