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Finding the Fourth Proportional to 23,449.75, 32,363.75 and 13,375.89

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Solution

The fourth proportional to 23,449.75, 32,363.75 and 13,375.89 is: 18,460.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,449.75 : 32,363.75 = 13,375.89 : x
  2. Step 2: Convert to fraction form
    23,449.75/32,363.75 = 13,375.89/x
  3. Step 3: Cross multiply
    23,449.75x = 32,363.75 × 13,375.89
  4. Step 4: Simplify right side
    23,449.75x = 432,893,959.99
  5. Step 5: Solve for x
    x = 432,893,959.99/23,449.75
  6. Step 6: Final answer
    x = 18,460.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.