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Finding the Fourth Proportional to 36,179.43, 54,268.43 and 9,886.47

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Solution

The fourth proportional to 36,179.43, 54,268.43 and 9,886.47 is: 14,829.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,179.43 : 54,268.43 = 9,886.47 : x
  2. Step 2: Convert to fraction form
    36,179.43/54,268.43 = 9,886.47/x
  3. Step 3: Cross multiply
    36,179.43x = 54,268.43 × 9,886.47
  4. Step 4: Simplify right side
    36,179.43x = 536,523,155.71
  5. Step 5: Solve for x
    x = 536,523,155.71/36,179.43
  6. Step 6: Final answer
    x = 14,829.51

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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.