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Finding the Fourth Proportional to 40,374.16, 60,473.68 and 19,554

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Solution

The fourth proportional to 40,374.16, 60,473.68 and 19,554 is: 29,288.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,374.16 : 60,473.68 = 19,554 : x
  2. Step 2: Convert to fraction form
    40,374.16/60,473.68 = 19,554/x
  3. Step 3: Cross multiply
    40,374.16x = 60,473.68 × 19,554
  4. Step 4: Simplify right side
    40,374.16x = 1,182,502,338.72
  5. Step 5: Solve for x
    x = 1,182,502,338.72/40,374.16
  6. Step 6: Final answer
    x = 29,288.59

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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.