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Finding the Fourth Proportional to 83,282.70, 124,931.57 and 27,108.24

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Solution

The fourth proportional to 83,282.70, 124,931.57 and 27,108.24 is: 40,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,282.70 : 124,931.57 = 27,108.24 : x
  2. Step 2: Convert to fraction form
    83,282.70/124,931.57 = 27,108.24/x
  3. Step 3: Cross multiply
    83,282.70x = 124,931.57 × 27,108.24
  4. Step 4: Simplify right side
    83,282.70x = 3,386,674,379.10
  5. Step 5: Solve for x
    x = 3,386,674,379.10/83,282.70
  6. Step 6: Final answer
    x = 40,664.80

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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.