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Finding the Fourth Proportional to 37,502.30, 51,751.76 and 20,735.30

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Solution

The fourth proportional to 37,502.30, 51,751.76 and 20,735.30 is: 28,613.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,502.30 : 51,751.76 = 20,735.30 : x
  2. Step 2: Convert to fraction form
    37,502.30/51,751.76 = 20,735.30/x
  3. Step 3: Cross multiply
    37,502.30x = 51,751.76 × 20,735.30
  4. Step 4: Simplify right side
    37,502.30x = 1,073,088,269.13
  5. Step 5: Solve for x
    x = 1,073,088,269.13/37,502.30
  6. Step 6: Final answer
    x = 28,613.93

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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.