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Finding the Fourth Proportional to 10,670.80, 16,006.20 and 3,744.40

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Solution

The fourth proportional to 10,670.80, 16,006.20 and 3,744.40 is: 5,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670.80 : 16,006.20 = 3,744.40 : x
  2. Step 2: Convert to fraction form
    10,670.80/16,006.20 = 3,744.40/x
  3. Step 3: Cross multiply
    10,670.80x = 16,006.20 × 3,744.40
  4. Step 4: Simplify right side
    10,670.80x = 59,933,615.28
  5. Step 5: Solve for x
    x = 59,933,615.28/10,670.80
  6. Step 6: Final answer
    x = 5,616.60

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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.