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Finding the Fourth Proportional to 83,362.52, 125,043.24 and 21,033.08

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Solution

The fourth proportional to 83,362.52, 125,043.24 and 21,033.08 is: 31,549.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,362.52 : 125,043.24 = 21,033.08 : x
  2. Step 2: Convert to fraction form
    83,362.52/125,043.24 = 21,033.08/x
  3. Step 3: Cross multiply
    83,362.52x = 125,043.24 × 21,033.08
  4. Step 4: Simplify right side
    83,362.52x = 2,630,044,470.38
  5. Step 5: Solve for x
    x = 2,630,044,470.38/83,362.52
  6. Step 6: Final answer
    x = 31,549.48

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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.