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Finding the Fourth Proportional to 60,038.29, 89,983.62 and 33,687.68

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Solution

The fourth proportional to 60,038.29, 89,983.62 and 33,687.68 is: 50,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,038.29 : 89,983.62 = 33,687.68 : x
  2. Step 2: Convert to fraction form
    60,038.29/89,983.62 = 33,687.68/x
  3. Step 3: Cross multiply
    60,038.29x = 89,983.62 × 33,687.68
  4. Step 4: Simplify right side
    60,038.29x = 3,031,339,184.69
  5. Step 5: Solve for x
    x = 3,031,339,184.69/60,038.29
  6. Step 6: Final answer
    x = 50,490.10

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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.