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Finding the Fourth Proportional to 64,016.61, 96,073.92 and 28,980.87

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Solution

The fourth proportional to 64,016.61, 96,073.92 and 28,980.87 is: 43,493.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,016.61 : 96,073.92 = 28,980.87 : x
  2. Step 2: Convert to fraction form
    64,016.61/96,073.92 = 28,980.87/x
  3. Step 3: Cross multiply
    64,016.61x = 96,073.92 × 28,980.87
  4. Step 4: Simplify right side
    64,016.61x = 2,784,305,785.91
  5. Step 5: Solve for x
    x = 2,784,305,785.91/64,016.61
  6. Step 6: Final answer
    x = 43,493.49

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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.