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Finding the Fourth Proportional to 64,337.20, 96,502.20 and 19,963.60

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Solution

The fourth proportional to 64,337.20, 96,502.20 and 19,963.60 is: 29,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,337.20 : 96,502.20 = 19,963.60 : x
  2. Step 2: Convert to fraction form
    64,337.20/96,502.20 = 19,963.60/x
  3. Step 3: Cross multiply
    64,337.20x = 96,502.20 × 19,963.60
  4. Step 4: Simplify right side
    64,337.20x = 1,926,531,319.92
  5. Step 5: Solve for x
    x = 1,926,531,319.92/64,337.20
  6. Step 6: Final answer
    x = 29,944.28

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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.