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Finding the Fourth Proportional to 40,891.60, 61,294.20 and 23,323.60

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Solution

The fourth proportional to 40,891.60, 61,294.20 and 23,323.60 is: 34,960.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,891.60 : 61,294.20 = 23,323.60 : x
  2. Step 2: Convert to fraction form
    40,891.60/61,294.20 = 23,323.60/x
  3. Step 3: Cross multiply
    40,891.60x = 61,294.20 × 23,323.60
  4. Step 4: Simplify right side
    40,891.60x = 1,429,601,403.12
  5. Step 5: Solve for x
    x = 1,429,601,403.12/40,891.60
  6. Step 6: Final answer
    x = 34,960.76

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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.