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Finding the Fourth Proportional to 29,253, 40,375.62 and 20,191.08

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Solution

The fourth proportional to 29,253, 40,375.62 and 20,191.08 is: 27,868.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,253 : 40,375.62 = 20,191.08 : x
  2. Step 2: Convert to fraction form
    29,253/40,375.62 = 20,191.08/x
  3. Step 3: Cross multiply
    29,253x = 40,375.62 × 20,191.08
  4. Step 4: Simplify right side
    29,253x = 815,227,373.47
  5. Step 5: Solve for x
    x = 815,227,373.47/29,253
  6. Step 6: Final answer
    x = 27,868.16

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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.