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Finding the Fourth Proportional to 36,117.80, 54,071.10 and 25,749.80

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Solution

The fourth proportional to 36,117.80, 54,071.10 and 25,749.80 is: 38,549.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,117.80 : 54,071.10 = 25,749.80 : x
  2. Step 2: Convert to fraction form
    36,117.80/54,071.10 = 25,749.80/x
  3. Step 3: Cross multiply
    36,117.80x = 54,071.10 × 25,749.80
  4. Step 4: Simplify right side
    36,117.80x = 1,392,320,010.78
  5. Step 5: Solve for x
    x = 1,392,320,010.78/36,117.80
  6. Step 6: Final answer
    x = 38,549.41

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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.