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Finding the Fourth Proportional to 40,572.68, 60,880.80 and 16,896.56

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Solution

The fourth proportional to 40,572.68, 60,880.80 and 16,896.56 is: 25,353.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,572.68 : 60,880.80 = 16,896.56 : x
  2. Step 2: Convert to fraction form
    40,572.68/60,880.80 = 16,896.56/x
  3. Step 3: Cross multiply
    40,572.68x = 60,880.80 × 16,896.56
  4. Step 4: Simplify right side
    40,572.68x = 1,028,676,090.05
  5. Step 5: Solve for x
    x = 1,028,676,090.05/40,572.68
  6. Step 6: Final answer
    x = 25,353.91

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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.