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Finding the Fourth Proportional to 6,167.70, 8,656.65 and 6,167.70

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Solution

The fourth proportional to 6,167.70, 8,656.65 and 6,167.70 is: 8,656.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,167.70 : 8,656.65 = 6,167.70 : x
  2. Step 2: Convert to fraction form
    6,167.70/8,656.65 = 6,167.70/x
  3. Step 3: Cross multiply
    6,167.70x = 8,656.65 × 6,167.70
  4. Step 4: Simplify right side
    6,167.70x = 53,391,620.21
  5. Step 5: Solve for x
    x = 53,391,620.21/6,167.70
  6. Step 6: Final answer
    x = 8,656.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.