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Finding the Fourth Proportional to 59,179.20, 88,768.80 and 17,620.80

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Solution

The fourth proportional to 59,179.20, 88,768.80 and 17,620.80 is: 26,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,179.20 : 88,768.80 = 17,620.80 : x
  2. Step 2: Convert to fraction form
    59,179.20/88,768.80 = 17,620.80/x
  3. Step 3: Cross multiply
    59,179.20x = 88,768.80 × 17,620.80
  4. Step 4: Simplify right side
    59,179.20x = 1,564,177,271.04
  5. Step 5: Solve for x
    x = 1,564,177,271.04/59,179.20
  6. Step 6: Final answer
    x = 26,431.20

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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.