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Finding the Fourth Proportional to 6,607.40, 9,112.99 and 5,851.97

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Solution

The fourth proportional to 6,607.40, 9,112.99 and 5,851.97 is: 8,071.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.40 : 9,112.99 = 5,851.97 : x
  2. Step 2: Convert to fraction form
    6,607.40/9,112.99 = 5,851.97/x
  3. Step 3: Cross multiply
    6,607.40x = 9,112.99 × 5,851.97
  4. Step 4: Simplify right side
    6,607.40x = 53,328,944.09
  5. Step 5: Solve for x
    x = 53,328,944.09/6,607.40
  6. Step 6: Final answer
    x = 8,071.09

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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.