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Finding the Fourth Proportional to 5,774.38, 8,662.48 and 1,877.88

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Solution

The fourth proportional to 5,774.38, 8,662.48 and 1,877.88 is: 2,817.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,774.38 : 8,662.48 = 1,877.88 : x
  2. Step 2: Convert to fraction form
    5,774.38/8,662.48 = 1,877.88/x
  3. Step 3: Cross multiply
    5,774.38x = 8,662.48 × 1,877.88
  4. Step 4: Simplify right side
    5,774.38x = 16,267,097.94
  5. Step 5: Solve for x
    x = 16,267,097.94/5,774.38
  6. Step 6: Final answer
    x = 2,817.12

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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.