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Finding the Fourth Proportional to 56,362.57, 84,549.49 and 20,833.20

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Solution

The fourth proportional to 56,362.57, 84,549.49 and 20,833.20 is: 31,251.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,362.57 : 84,549.49 = 20,833.20 : x
  2. Step 2: Convert to fraction form
    56,362.57/84,549.49 = 20,833.20/x
  3. Step 3: Cross multiply
    56,362.57x = 84,549.49 × 20,833.20
  4. Step 4: Simplify right side
    56,362.57x = 1,761,436,382.99
  5. Step 5: Solve for x
    x = 1,761,436,382.99/56,362.57
  6. Step 6: Final answer
    x = 31,251.88

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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.