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Finding the Fourth Proportional to 29,482.85, 40,685.49 and 16,737.20

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Solution

The fourth proportional to 29,482.85, 40,685.49 and 16,737.20 is: 23,096.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,482.85 : 40,685.49 = 16,737.20 : x
  2. Step 2: Convert to fraction form
    29,482.85/40,685.49 = 16,737.20/x
  3. Step 3: Cross multiply
    29,482.85x = 40,685.49 × 16,737.20
  4. Step 4: Simplify right side
    29,482.85x = 680,961,132.37
  5. Step 5: Solve for x
    x = 680,961,132.37/29,482.85
  6. Step 6: Final answer
    x = 23,096.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.