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Finding the Fourth Proportional to 40,663.25, 60,983.15 and 14,008.16

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Solution

The fourth proportional to 40,663.25, 60,983.15 and 14,008.16 is: 21,008.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,663.25 : 60,983.15 = 14,008.16 : x
  2. Step 2: Convert to fraction form
    40,663.25/60,983.15 = 14,008.16/x
  3. Step 3: Cross multiply
    40,663.25x = 60,983.15 × 14,008.16
  4. Step 4: Simplify right side
    40,663.25x = 854,261,347.55
  5. Step 5: Solve for x
    x = 854,261,347.55/40,663.25
  6. Step 6: Final answer
    x = 21,008.19

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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.