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Finding the Fourth Proportional to 9,959.03, 13,742.97 and 5,482.68

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Solution

The fourth proportional to 9,959.03, 13,742.97 and 5,482.68 is: 7,565.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,959.03 : 13,742.97 = 5,482.68 : x
  2. Step 2: Convert to fraction form
    9,959.03/13,742.97 = 5,482.68/x
  3. Step 3: Cross multiply
    9,959.03x = 13,742.97 × 5,482.68
  4. Step 4: Simplify right side
    9,959.03x = 75,348,306.76
  5. Step 5: Solve for x
    x = 75,348,306.76/9,959.03
  6. Step 6: Final answer
    x = 7,565.83

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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.