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Finding the Fourth Proportional to 88,002.80, 132,004.20 and 25,679.60

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Solution

The fourth proportional to 88,002.80, 132,004.20 and 25,679.60 is: 38,519.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,002.80 : 132,004.20 = 25,679.60 : x
  2. Step 2: Convert to fraction form
    88,002.80/132,004.20 = 25,679.60/x
  3. Step 3: Cross multiply
    88,002.80x = 132,004.20 × 25,679.60
  4. Step 4: Simplify right side
    88,002.80x = 3,389,815,054.32
  5. Step 5: Solve for x
    x = 3,389,815,054.32/88,002.80
  6. Step 6: Final answer
    x = 38,519.40

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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.