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Finding the Fourth Proportional to 63,100.08, 86,900.92 and 61,722.24

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Solution

The fourth proportional to 63,100.08, 86,900.92 and 61,722.24 is: 85,003.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,100.08 : 86,900.92 = 61,722.24 : x
  2. Step 2: Convert to fraction form
    63,100.08/86,900.92 = 61,722.24/x
  3. Step 3: Cross multiply
    63,100.08x = 86,900.92 × 61,722.24
  4. Step 4: Simplify right side
    63,100.08x = 5,363,719,440.46
  5. Step 5: Solve for x
    x = 5,363,719,440.46/63,100.08
  6. Step 6: Final answer
    x = 85,003.37

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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.