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Finding the Fourth Proportional to 52,987.92, 79,494.18 and 15,546.48

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Solution

The fourth proportional to 52,987.92, 79,494.18 and 15,546.48 is: 23,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,987.92 : 79,494.18 = 15,546.48 : x
  2. Step 2: Convert to fraction form
    52,987.92/79,494.18 = 15,546.48/x
  3. Step 3: Cross multiply
    52,987.92x = 79,494.18 × 15,546.48
  4. Step 4: Simplify right side
    52,987.92x = 1,235,854,320.88
  5. Step 5: Solve for x
    x = 1,235,854,320.88/52,987.92
  6. Step 6: Final answer
    x = 23,323.32

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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.