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Finding the Fourth Proportional to 64,314.56, 96,394.08 and 33,132.80

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Solution

The fourth proportional to 64,314.56, 96,394.08 and 33,132.80 is: 49,659.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,314.56 : 96,394.08 = 33,132.80 : x
  2. Step 2: Convert to fraction form
    64,314.56/96,394.08 = 33,132.80/x
  3. Step 3: Cross multiply
    64,314.56x = 96,394.08 × 33,132.80
  4. Step 4: Simplify right side
    64,314.56x = 3,193,805,773.82
  5. Step 5: Solve for x
    x = 3,193,805,773.82/64,314.56
  6. Step 6: Final answer
    x = 49,659.14

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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.