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Finding the Fourth Proportional to 71,710.56, 107,565.84 and 32,260.32

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Solution

The fourth proportional to 71,710.56, 107,565.84 and 32,260.32 is: 48,390.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,710.56 : 107,565.84 = 32,260.32 : x
  2. Step 2: Convert to fraction form
    71,710.56/107,565.84 = 32,260.32/x
  3. Step 3: Cross multiply
    71,710.56x = 107,565.84 × 32,260.32
  4. Step 4: Simplify right side
    71,710.56x = 3,470,108,419.47
  5. Step 5: Solve for x
    x = 3,470,108,419.47/71,710.56
  6. Step 6: Final answer
    x = 48,390.48

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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.