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Finding the Fourth Proportional to 38,437.60, 57,541.20 and 36,159.20

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Solution

The fourth proportional to 38,437.60, 57,541.20 and 36,159.20 is: 54,130.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,437.60 : 57,541.20 = 36,159.20 : x
  2. Step 2: Convert to fraction form
    38,437.60/57,541.20 = 36,159.20/x
  3. Step 3: Cross multiply
    38,437.60x = 57,541.20 × 36,159.20
  4. Step 4: Simplify right side
    38,437.60x = 2,080,643,759.04
  5. Step 5: Solve for x
    x = 2,080,643,759.04/38,437.60
  6. Step 6: Final answer
    x = 54,130.43

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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.