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Finding the Fourth Proportional to 38,572.57, 53,134.95 and 32,888.80

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Solution

The fourth proportional to 38,572.57, 53,134.95 and 32,888.80 is: 45,305.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,572.57 : 53,134.95 = 32,888.80 : x
  2. Step 2: Convert to fraction form
    38,572.57/53,134.95 = 32,888.80/x
  3. Step 3: Cross multiply
    38,572.57x = 53,134.95 × 32,888.80
  4. Step 4: Simplify right side
    38,572.57x = 1,747,544,743.56
  5. Step 5: Solve for x
    x = 1,747,544,743.56/38,572.57
  6. Step 6: Final answer
    x = 45,305.37

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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.