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Finding the Fourth Proportional to 6,661.87, 9,232.25 and 6,567.91

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Solution

The fourth proportional to 6,661.87, 9,232.25 and 6,567.91 is: 9,102.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.87 : 9,232.25 = 6,567.91 : x
  2. Step 2: Convert to fraction form
    6,661.87/9,232.25 = 6,567.91/x
  3. Step 3: Cross multiply
    6,661.87x = 9,232.25 × 6,567.91
  4. Step 4: Simplify right side
    6,661.87x = 60,636,587.10
  5. Step 5: Solve for x
    x = 60,636,587.10/6,661.87
  6. Step 6: Final answer
    x = 9,102.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.