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Finding the Fourth Proportional to 7,088.93, 9,781.06 and 5,958.90

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Solution

The fourth proportional to 7,088.93, 9,781.06 and 5,958.90 is: 8,221.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.93 : 9,781.06 = 5,958.90 : x
  2. Step 2: Convert to fraction form
    7,088.93/9,781.06 = 5,958.90/x
  3. Step 3: Cross multiply
    7,088.93x = 9,781.06 × 5,958.90
  4. Step 4: Simplify right side
    7,088.93x = 58,284,343.54
  5. Step 5: Solve for x
    x = 58,284,343.54/7,088.93
  6. Step 6: Final answer
    x = 8,221.88

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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.