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Finding the Fourth Proportional to 23,672.60, 35,508.90 and 11,984.30

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Solution

The fourth proportional to 23,672.60, 35,508.90 and 11,984.30 is: 17,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,672.60 : 35,508.90 = 11,984.30 : x
  2. Step 2: Convert to fraction form
    23,672.60/35,508.90 = 11,984.30/x
  3. Step 3: Cross multiply
    23,672.60x = 35,508.90 × 11,984.30
  4. Step 4: Simplify right side
    23,672.60x = 425,549,310.27
  5. Step 5: Solve for x
    x = 425,549,310.27/23,672.60
  6. Step 6: Final answer
    x = 17,976.45

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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.