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Finding the Fourth Proportional to 79,427.88, 118,966.86 and 53,008.92

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Solution

The fourth proportional to 79,427.88, 118,966.86 and 53,008.92 is: 79,396.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,427.88 : 118,966.86 = 53,008.92 : x
  2. Step 2: Convert to fraction form
    79,427.88/118,966.86 = 53,008.92/x
  3. Step 3: Cross multiply
    79,427.88x = 118,966.86 × 53,008.92
  4. Step 4: Simplify right side
    79,427.88x = 6,306,304,764.39
  5. Step 5: Solve for x
    x = 6,306,304,764.39/79,427.88
  6. Step 6: Final answer
    x = 79,396.61

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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.