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Finding the Fourth Proportional to 23,866.89, 32,934.11 and 13,255.89

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Solution

The fourth proportional to 23,866.89, 32,934.11 and 13,255.89 is: 18,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,866.89 : 32,934.11 = 13,255.89 : x
  2. Step 2: Convert to fraction form
    23,866.89/32,934.11 = 13,255.89/x
  3. Step 3: Cross multiply
    23,866.89x = 32,934.11 × 13,255.89
  4. Step 4: Simplify right side
    23,866.89x = 436,570,873.13
  5. Step 5: Solve for x
    x = 436,570,873.13/23,866.89
  6. Step 6: Final answer
    x = 18,291.90

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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.