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Finding the Fourth Proportional to 64,425.92, 96,513.12 and 44,388.14

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Solution

The fourth proportional to 64,425.92, 96,513.12 and 44,388.14 is: 66,495.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,425.92 : 96,513.12 = 44,388.14 : x
  2. Step 2: Convert to fraction form
    64,425.92/96,513.12 = 44,388.14/x
  3. Step 3: Cross multiply
    64,425.92x = 96,513.12 × 44,388.14
  4. Step 4: Simplify right side
    64,425.92x = 4,284,037,882.40
  5. Step 5: Solve for x
    x = 4,284,037,882.40/64,425.92
  6. Step 6: Final answer
    x = 66,495.56

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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.