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Finding the Fourth Proportional to 18,597.52, 27,901.00 and 8,609.47

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Solution

The fourth proportional to 18,597.52, 27,901.00 and 8,609.47 is: 12,916.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.52 : 27,901.00 = 8,609.47 : x
  2. Step 2: Convert to fraction form
    18,597.52/27,901.00 = 8,609.47/x
  3. Step 3: Cross multiply
    18,597.52x = 27,901.00 × 8,609.47
  4. Step 4: Simplify right side
    18,597.52x = 240,212,920.42
  5. Step 5: Solve for x
    x = 240,212,920.42/18,597.52
  6. Step 6: Final answer
    x = 12,916.39

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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.