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Finding the Fourth Proportional to 40,382.68, 60,574.08 and 10,800.51

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Solution

The fourth proportional to 40,382.68, 60,574.08 and 10,800.51 is: 16,200.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,382.68 : 60,574.08 = 10,800.51 : x
  2. Step 2: Convert to fraction form
    40,382.68/60,574.08 = 10,800.51/x
  3. Step 3: Cross multiply
    40,382.68x = 60,574.08 × 10,800.51
  4. Step 4: Simplify right side
    40,382.68x = 654,231,220.47
  5. Step 5: Solve for x
    x = 654,231,220.47/40,382.68
  6. Step 6: Final answer
    x = 16,200.79

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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.