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Finding the Fourth Proportional to 40,854.60, 61,281.90 and 23,326.20

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Solution

The fourth proportional to 40,854.60, 61,281.90 and 23,326.20 is: 34,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,854.60 : 61,281.90 = 23,326.20 : x
  2. Step 2: Convert to fraction form
    40,854.60/61,281.90 = 23,326.20/x
  3. Step 3: Cross multiply
    40,854.60x = 61,281.90 × 23,326.20
  4. Step 4: Simplify right side
    40,854.60x = 1,429,473,855.78
  5. Step 5: Solve for x
    x = 1,429,473,855.78/40,854.60
  6. Step 6: Final answer
    x = 34,989.30

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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.