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Finding the Fourth Proportional to 36,205.60, 54,259.80 and 25,805.20

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Solution

The fourth proportional to 36,205.60, 54,259.80 and 25,805.20 is: 38,673.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,205.60 : 54,259.80 = 25,805.20 : x
  2. Step 2: Convert to fraction form
    36,205.60/54,259.80 = 25,805.20/x
  3. Step 3: Cross multiply
    36,205.60x = 54,259.80 × 25,805.20
  4. Step 4: Simplify right side
    36,205.60x = 1,400,184,990.96
  5. Step 5: Solve for x
    x = 1,400,184,990.96/36,205.60
  6. Step 6: Final answer
    x = 38,673.16

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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.