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Finding the Fourth Proportional to 8,969.67, 13,455.11 and 2,395.71

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Solution

The fourth proportional to 8,969.67, 13,455.11 and 2,395.71 is: 3,593.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969.67 : 13,455.11 = 2,395.71 : x
  2. Step 2: Convert to fraction form
    8,969.67/13,455.11 = 2,395.71/x
  3. Step 3: Cross multiply
    8,969.67x = 13,455.11 × 2,395.71
  4. Step 4: Simplify right side
    8,969.67x = 32,234,547.57
  5. Step 5: Solve for x
    x = 32,234,547.57/8,969.67
  6. Step 6: Final answer
    x = 3,593.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.