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Finding the Fourth Proportional to 62,784.87, 94,178.40 and 22,832.20

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Solution

The fourth proportional to 62,784.87, 94,178.40 and 22,832.20 is: 34,248.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,784.87 : 94,178.40 = 22,832.20 : x
  2. Step 2: Convert to fraction form
    62,784.87/94,178.40 = 22,832.20/x
  3. Step 3: Cross multiply
    62,784.87x = 94,178.40 × 22,832.20
  4. Step 4: Simplify right side
    62,784.87x = 2,150,300,064.48
  5. Step 5: Solve for x
    x = 2,150,300,064.48/62,784.87
  6. Step 6: Final answer
    x = 34,248.70

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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.