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Finding the Fourth Proportional to 29,984.92, 44,987.82 and 13,356.76

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Solution

The fourth proportional to 29,984.92, 44,987.82 and 13,356.76 is: 20,039.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,984.92 : 44,987.82 = 13,356.76 : x
  2. Step 2: Convert to fraction form
    29,984.92/44,987.82 = 13,356.76/x
  3. Step 3: Cross multiply
    29,984.92x = 44,987.82 × 13,356.76
  4. Step 4: Simplify right side
    29,984.92x = 600,891,514.66
  5. Step 5: Solve for x
    x = 600,891,514.66/29,984.92
  6. Step 6: Final answer
    x = 20,039.79

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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.