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Finding the Fourth Proportional to 32,543.91, 48,815.87 and 16,991.91

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Solution

The fourth proportional to 32,543.91, 48,815.87 and 16,991.91 is: 25,487.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,543.91 : 48,815.87 = 16,991.91 : x
  2. Step 2: Convert to fraction form
    32,543.91/48,815.87 = 16,991.91/x
  3. Step 3: Cross multiply
    32,543.91x = 48,815.87 × 16,991.91
  4. Step 4: Simplify right side
    32,543.91x = 829,474,784.65
  5. Step 5: Solve for x
    x = 829,474,784.65/32,543.91
  6. Step 6: Final answer
    x = 25,487.87

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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.