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Finding the Fourth Proportional to 37,502.91, 51,753.47 and 20,507.22

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Solution

The fourth proportional to 37,502.91, 51,753.47 and 20,507.22 is: 28,299.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,502.91 : 51,753.47 = 20,507.22 : x
  2. Step 2: Convert to fraction form
    37,502.91/51,753.47 = 20,507.22/x
  3. Step 3: Cross multiply
    37,502.91x = 51,753.47 × 20,507.22
  4. Step 4: Simplify right side
    37,502.91x = 1,061,319,692.52
  5. Step 5: Solve for x
    x = 1,061,319,692.52/37,502.91
  6. Step 6: Final answer
    x = 28,299.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.