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Finding the Fourth Proportional to 15,652.11, 21,594.56 and 8,932.89

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Solution

The fourth proportional to 15,652.11, 21,594.56 and 8,932.89 is: 12,324.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,652.11 : 21,594.56 = 8,932.89 : x
  2. Step 2: Convert to fraction form
    15,652.11/21,594.56 = 8,932.89/x
  3. Step 3: Cross multiply
    15,652.11x = 21,594.56 × 8,932.89
  4. Step 4: Simplify right side
    15,652.11x = 192,901,784.41
  5. Step 5: Solve for x
    x = 192,901,784.41/15,652.11
  6. Step 6: Final answer
    x = 12,324.33

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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.