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Finding the Fourth Proportional to 27,309.93, 40,974.76 and 9,543.22

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Solution

The fourth proportional to 27,309.93, 40,974.76 and 9,543.22 is: 14,318.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,309.93 : 40,974.76 = 9,543.22 : x
  2. Step 2: Convert to fraction form
    27,309.93/40,974.76 = 9,543.22/x
  3. Step 3: Cross multiply
    27,309.93x = 40,974.76 × 9,543.22
  4. Step 4: Simplify right side
    27,309.93x = 391,031,058.62
  5. Step 5: Solve for x
    x = 391,031,058.62/27,309.93
  6. Step 6: Final answer
    x = 14,318.28

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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.