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Finding the Fourth Proportional to 36,967.86, 55,454.22 and 13,280.22

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Solution

The fourth proportional to 36,967.86, 55,454.22 and 13,280.22 is: 19,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,967.86 : 55,454.22 = 13,280.22 : x
  2. Step 2: Convert to fraction form
    36,967.86/55,454.22 = 13,280.22/x
  3. Step 3: Cross multiply
    36,967.86x = 55,454.22 × 13,280.22
  4. Step 4: Simplify right side
    36,967.86x = 736,444,241.53
  5. Step 5: Solve for x
    x = 736,444,241.53/36,967.86
  6. Step 6: Final answer
    x = 19,921.20

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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.