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Finding the Fourth Proportional to 8,041.80, 12,062.70 and 3,660.51

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Solution

The fourth proportional to 8,041.80, 12,062.70 and 3,660.51 is: 5,490.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,041.80 : 12,062.70 = 3,660.51 : x
  2. Step 2: Convert to fraction form
    8,041.80/12,062.70 = 3,660.51/x
  3. Step 3: Cross multiply
    8,041.80x = 12,062.70 × 3,660.51
  4. Step 4: Simplify right side
    8,041.80x = 44,155,633.98
  5. Step 5: Solve for x
    x = 44,155,633.98/8,041.80
  6. Step 6: Final answer
    x = 5,490.77

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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.