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Finding the Fourth Proportional to 23,886.61, 32,888.23 and 21,672.27

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Solution

The fourth proportional to 23,886.61, 32,888.23 and 21,672.27 is: 29,839.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,886.61 : 32,888.23 = 21,672.27 : x
  2. Step 2: Convert to fraction form
    23,886.61/32,888.23 = 21,672.27/x
  3. Step 3: Cross multiply
    23,886.61x = 32,888.23 × 21,672.27
  4. Step 4: Simplify right side
    23,886.61x = 712,762,546.20
  5. Step 5: Solve for x
    x = 712,762,546.20/23,886.61
  6. Step 6: Final answer
    x = 29,839.42

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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.