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Finding the Fourth Proportional to 8,813.67, 13,208.76 and 4,652.70

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Solution

The fourth proportional to 8,813.67, 13,208.76 and 4,652.70 is: 6,972.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.67 : 13,208.76 = 4,652.70 : x
  2. Step 2: Convert to fraction form
    8,813.67/13,208.76 = 4,652.70/x
  3. Step 3: Cross multiply
    8,813.67x = 13,208.76 × 4,652.70
  4. Step 4: Simplify right side
    8,813.67x = 61,456,397.65
  5. Step 5: Solve for x
    x = 61,456,397.65/8,813.67
  6. Step 6: Final answer
    x = 6,972.85

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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.