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Finding the Fourth Proportional to 59,930.60, 89,993.10 and 40,296.20

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Solution

The fourth proportional to 59,930.60, 89,993.10 and 40,296.20 is: 60,509.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,930.60 : 89,993.10 = 40,296.20 : x
  2. Step 2: Convert to fraction form
    59,930.60/89,993.10 = 40,296.20/x
  3. Step 3: Cross multiply
    59,930.60x = 89,993.10 × 40,296.20
  4. Step 4: Simplify right side
    59,930.60x = 3,626,379,956.22
  5. Step 5: Solve for x
    x = 3,626,379,956.22/59,930.60
  6. Step 6: Final answer
    x = 60,509.66

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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.