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Finding the Fourth Proportional to 36,432.67, 50,279.67 and 20,301.32

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Solution

The fourth proportional to 36,432.67, 50,279.67 and 20,301.32 is: 28,017.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,432.67 : 50,279.67 = 20,301.32 : x
  2. Step 2: Convert to fraction form
    36,432.67/50,279.67 = 20,301.32/x
  3. Step 3: Cross multiply
    36,432.67x = 50,279.67 × 20,301.32
  4. Step 4: Simplify right side
    36,432.67x = 1,020,743,670.16
  5. Step 5: Solve for x
    x = 1,020,743,670.16/36,432.67
  6. Step 6: Final answer
    x = 28,017.26

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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.