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Finding the Fourth Proportional to 63,083.92, 87,133.32 and 47,239.12

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Solution

The fourth proportional to 63,083.92, 87,133.32 and 47,239.12 is: 65,248.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,083.92 : 87,133.32 = 47,239.12 : x
  2. Step 2: Convert to fraction form
    63,083.92/87,133.32 = 47,239.12/x
  3. Step 3: Cross multiply
    63,083.92x = 87,133.32 × 47,239.12
  4. Step 4: Simplify right side
    63,083.92x = 4,116,101,359.48
  5. Step 5: Solve for x
    x = 4,116,101,359.48/63,083.92
  6. Step 6: Final answer
    x = 65,248.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.