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Finding the Fourth Proportional to 8,518.95, 12,776.49 and 2,674.17

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Solution

The fourth proportional to 8,518.95, 12,776.49 and 2,674.17 is: 4,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.95 : 12,776.49 = 2,674.17 : x
  2. Step 2: Convert to fraction form
    8,518.95/12,776.49 = 2,674.17/x
  3. Step 3: Cross multiply
    8,518.95x = 12,776.49 × 2,674.17
  4. Step 4: Simplify right side
    8,518.95x = 34,166,506.26
  5. Step 5: Solve for x
    x = 34,166,506.26/8,518.95
  6. Step 6: Final answer
    x = 4,010.65

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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.