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Finding the Fourth Proportional to 36,188.40, 54,167.40 and 25,820.40

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Solution

The fourth proportional to 36,188.40, 54,167.40 and 25,820.40 is: 38,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,188.40 : 54,167.40 = 25,820.40 : x
  2. Step 2: Convert to fraction form
    36,188.40/54,167.40 = 25,820.40/x
  3. Step 3: Cross multiply
    36,188.40x = 54,167.40 × 25,820.40
  4. Step 4: Simplify right side
    36,188.40x = 1,398,623,934.96
  5. Step 5: Solve for x
    x = 1,398,623,934.96/36,188.40
  6. Step 6: Final answer
    x = 38,648.40

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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.