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Finding the Fourth Proportional to 60,689.52, 90,971.10 and 33,996.37

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Solution

The fourth proportional to 60,689.52, 90,971.10 and 33,996.37 is: 50,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,689.52 : 90,971.10 = 33,996.37 : x
  2. Step 2: Convert to fraction form
    60,689.52/90,971.10 = 33,996.37/x
  3. Step 3: Cross multiply
    60,689.52x = 90,971.10 × 33,996.37
  4. Step 4: Simplify right side
    60,689.52x = 3,092,687,174.91
  5. Step 5: Solve for x
    x = 3,092,687,174.91/60,689.52
  6. Step 6: Final answer
    x = 50,959.16

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1.5x scale

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.