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Finding the Fourth Proportional to 11,572.65, 17,348.18 and 9,072.45

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Solution

The fourth proportional to 11,572.65, 17,348.18 and 9,072.45 is: 13,600.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.65 : 17,348.18 = 9,072.45 : x
  2. Step 2: Convert to fraction form
    11,572.65/17,348.18 = 9,072.45/x
  3. Step 3: Cross multiply
    11,572.65x = 17,348.18 × 9,072.45
  4. Step 4: Simplify right side
    11,572.65x = 157,390,450.28
  5. Step 5: Solve for x
    x = 157,390,450.28/11,572.65
  6. Step 6: Final answer
    x = 13,600.21

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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.