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Finding the Fourth Proportional to 8,677.95, 13,016.94 and 2,104.12

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Solution

The fourth proportional to 8,677.95, 13,016.94 and 2,104.12 is: 3,156.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.95 : 13,016.94 = 2,104.12 : x
  2. Step 2: Convert to fraction form
    8,677.95/13,016.94 = 2,104.12/x
  3. Step 3: Cross multiply
    8,677.95x = 13,016.94 × 2,104.12
  4. Step 4: Simplify right side
    8,677.95x = 27,389,203.79
  5. Step 5: Solve for x
    x = 27,389,203.79/8,677.95
  6. Step 6: Final answer
    x = 3,156.18

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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.