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Finding the Fourth Proportional to 39,343.76, 59,015.64 and 14,714

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Solution

The fourth proportional to 39,343.76, 59,015.64 and 14,714 is: 22,071

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,343.76 : 59,015.64 = 14,714 : x
  2. Step 2: Convert to fraction form
    39,343.76/59,015.64 = 14,714/x
  3. Step 3: Cross multiply
    39,343.76x = 59,015.64 × 14,714
  4. Step 4: Simplify right side
    39,343.76x = 868,356,126.96
  5. Step 5: Solve for x
    x = 868,356,126.96/39,343.76
  6. Step 6: Final answer
    x = 22,071

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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.