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Finding the Fourth Proportional to 8,677.76, 13,014.58 and 3,744.70

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Solution

The fourth proportional to 8,677.76, 13,014.58 and 3,744.70 is: 5,616.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.76 : 13,014.58 = 3,744.70 : x
  2. Step 2: Convert to fraction form
    8,677.76/13,014.58 = 3,744.70/x
  3. Step 3: Cross multiply
    8,677.76x = 13,014.58 × 3,744.70
  4. Step 4: Simplify right side
    8,677.76x = 48,735,704.63
  5. Step 5: Solve for x
    x = 48,735,704.63/8,677.76
  6. Step 6: Final answer
    x = 5,616.17

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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.