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Finding the Fourth Proportional to 64,234.81, 96,373.17 and 28,691.80

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Solution

The fourth proportional to 64,234.81, 96,373.17 and 28,691.80 is: 43,047.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,234.81 : 96,373.17 = 28,691.80 : x
  2. Step 2: Convert to fraction form
    64,234.81/96,373.17 = 28,691.80/x
  3. Step 3: Cross multiply
    64,234.81x = 96,373.17 × 28,691.80
  4. Step 4: Simplify right side
    64,234.81x = 2,765,119,719.01
  5. Step 5: Solve for x
    x = 2,765,119,719.01/64,234.81
  6. Step 6: Final answer
    x = 43,047.06

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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.