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Finding the Fourth Proportional to 64,470.60, 96,576.30 and 43,475.40

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Solution

The fourth proportional to 64,470.60, 96,576.30 and 43,475.40 is: 65,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,470.60 : 96,576.30 = 43,475.40 : x
  2. Step 2: Convert to fraction form
    64,470.60/96,576.30 = 43,475.40/x
  3. Step 3: Cross multiply
    64,470.60x = 96,576.30 × 43,475.40
  4. Step 4: Simplify right side
    64,470.60x = 4,198,693,273.02
  5. Step 5: Solve for x
    x = 4,198,693,273.02/64,470.60
  6. Step 6: Final answer
    x = 65,125.70

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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.