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Finding the Fourth Proportional to 58,224.88, 87,355.79 and 20,784.13

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Solution

The fourth proportional to 58,224.88, 87,355.79 and 20,784.13 is: 31,182.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,224.88 : 87,355.79 = 20,784.13 : x
  2. Step 2: Convert to fraction form
    58,224.88/87,355.79 = 20,784.13/x
  3. Step 3: Cross multiply
    58,224.88x = 87,355.79 × 20,784.13
  4. Step 4: Simplify right side
    58,224.88x = 1,815,613,773.30
  5. Step 5: Solve for x
    x = 1,815,613,773.30/58,224.88
  6. Step 6: Final answer
    x = 31,182.78

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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.