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Finding the Fourth Proportional to 44,449.62, 66,676.88 and 13,287.30

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Solution

The fourth proportional to 44,449.62, 66,676.88 and 13,287.30 is: 19,931.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,449.62 : 66,676.88 = 13,287.30 : x
  2. Step 2: Convert to fraction form
    44,449.62/66,676.88 = 13,287.30/x
  3. Step 3: Cross multiply
    44,449.62x = 66,676.88 × 13,287.30
  4. Step 4: Simplify right side
    44,449.62x = 885,955,707.62
  5. Step 5: Solve for x
    x = 885,955,707.62/44,449.62
  6. Step 6: Final answer
    x = 19,931.68

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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.