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Finding the Fourth Proportional to 61,191.24, 91,787.87 and 16,817.71

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Solution

The fourth proportional to 61,191.24, 91,787.87 and 16,817.71 is: 25,226.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,191.24 : 91,787.87 = 16,817.71 : x
  2. Step 2: Convert to fraction form
    61,191.24/91,787.87 = 16,817.71/x
  3. Step 3: Cross multiply
    61,191.24x = 91,787.87 × 16,817.71
  4. Step 4: Simplify right side
    61,191.24x = 1,543,661,779.18
  5. Step 5: Solve for x
    x = 1,543,661,779.18/61,191.24
  6. Step 6: Final answer
    x = 25,226.84

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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.