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Finding the Fourth Proportional to 6,661.59, 9,231.86 and 6,567.63

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Solution

The fourth proportional to 6,661.59, 9,231.86 and 6,567.63 is: 9,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.59 : 9,231.86 = 6,567.63 : x
  2. Step 2: Convert to fraction form
    6,661.59/9,231.86 = 6,567.63/x
  3. Step 3: Cross multiply
    6,661.59x = 9,231.86 × 6,567.63
  4. Step 4: Simplify right side
    6,661.59x = 60,631,440.69
  5. Step 5: Solve for x
    x = 60,631,440.69/6,661.59
  6. Step 6: Final answer
    x = 9,101.65

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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.