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Finding the Fourth Proportional to 6,617.90, 9,966.47 and 6,027.41

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Solution

The fourth proportional to 6,617.90, 9,966.47 and 6,027.41 is: 9,077.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.90 : 9,966.47 = 6,027.41 : x
  2. Step 2: Convert to fraction form
    6,617.90/9,966.47 = 6,027.41/x
  3. Step 3: Cross multiply
    6,617.90x = 9,966.47 × 6,027.41
  4. Step 4: Simplify right side
    6,617.90x = 60,071,920.97
  5. Step 5: Solve for x
    x = 60,071,920.97/6,617.90
  6. Step 6: Final answer
    x = 9,077.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.