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Finding the Fourth Proportional to 18,600.69, 27,888.92 and 6,752.24

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Solution

The fourth proportional to 18,600.69, 27,888.92 and 6,752.24 is: 10,123.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.69 : 27,888.92 = 6,752.24 : x
  2. Step 2: Convert to fraction form
    18,600.69/27,888.92 = 6,752.24/x
  3. Step 3: Cross multiply
    18,600.69x = 27,888.92 × 6,752.24
  4. Step 4: Simplify right side
    18,600.69x = 188,312,681.18
  5. Step 5: Solve for x
    x = 188,312,681.18/18,600.69
  6. Step 6: Final answer
    x = 10,123.96

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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.