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Finding the Fourth Proportional to 86,562.32, 129,844.12 and 27,396.88

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Solution

The fourth proportional to 86,562.32, 129,844.12 and 27,396.88 is: 41,095.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,562.32 : 129,844.12 = 27,396.88 : x
  2. Step 2: Convert to fraction form
    86,562.32/129,844.12 = 27,396.88/x
  3. Step 3: Cross multiply
    86,562.32x = 129,844.12 × 27,396.88
  4. Step 4: Simplify right side
    86,562.32x = 3,557,323,774.35
  5. Step 5: Solve for x
    x = 3,557,323,774.35/86,562.32
  6. Step 6: Final answer
    x = 41,095.52

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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.