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Finding the Fourth Proportional to 64,053.92, 96,003.12 and 45,339.44

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Solution

The fourth proportional to 64,053.92, 96,003.12 and 45,339.44 is: 67,954.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,053.92 : 96,003.12 = 45,339.44 : x
  2. Step 2: Convert to fraction form
    64,053.92/96,003.12 = 45,339.44/x
  3. Step 3: Cross multiply
    64,053.92x = 96,003.12 × 45,339.44
  4. Step 4: Simplify right side
    64,053.92x = 4,352,727,699.05
  5. Step 5: Solve for x
    x = 4,352,727,699.05/64,053.92
  6. Step 6: Final answer
    x = 67,954.12

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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.