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Finding the Fourth Proportional to 59,178.80, 88,768.20 and 17,620.40

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Solution

The fourth proportional to 59,178.80, 88,768.20 and 17,620.40 is: 26,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,178.80 : 88,768.20 = 17,620.40 : x
  2. Step 2: Convert to fraction form
    59,178.80/88,768.20 = 17,620.40/x
  3. Step 3: Cross multiply
    59,178.80x = 88,768.20 × 17,620.40
  4. Step 4: Simplify right side
    59,178.80x = 1,564,131,191.28
  5. Step 5: Solve for x
    x = 1,564,131,191.28/59,178.80
  6. Step 6: Final answer
    x = 26,430.60

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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.