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Finding the Fourth Proportional to 83,347.52, 115,022 and 45,624.20

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Solution

The fourth proportional to 83,347.52, 115,022 and 45,624.20 is: 62,962.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,347.52 : 115,022 = 45,624.20 : x
  2. Step 2: Convert to fraction form
    83,347.52/115,022 = 45,624.20/x
  3. Step 3: Cross multiply
    83,347.52x = 115,022 × 45,624.20
  4. Step 4: Simplify right side
    83,347.52x = 5,247,786,732.40
  5. Step 5: Solve for x
    x = 5,247,786,732.40/83,347.52
  6. Step 6: Final answer
    x = 62,962.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.