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Finding the Fourth Proportional to 54,325.60, 81,439.80 and 35,614.60

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Solution

The fourth proportional to 54,325.60, 81,439.80 and 35,614.60 is: 53,390.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,325.60 : 81,439.80 = 35,614.60 : x
  2. Step 2: Convert to fraction form
    54,325.60/81,439.80 = 35,614.60/x
  3. Step 3: Cross multiply
    54,325.60x = 81,439.80 × 35,614.60
  4. Step 4: Simplify right side
    54,325.60x = 2,900,445,901.08
  5. Step 5: Solve for x
    x = 2,900,445,901.08/54,325.60
  6. Step 6: Final answer
    x = 53,390.04

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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.