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Finding the Fourth Proportional to 5,773.40, 8,658.24 and 1,876.88

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Solution

The fourth proportional to 5,773.40, 8,658.24 and 1,876.88 is: 2,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,773.40 : 8,658.24 = 1,876.88 : x
  2. Step 2: Convert to fraction form
    5,773.40/8,658.24 = 1,876.88/x
  3. Step 3: Cross multiply
    5,773.40x = 8,658.24 × 1,876.88
  4. Step 4: Simplify right side
    5,773.40x = 16,250,477.49
  5. Step 5: Solve for x
    x = 16,250,477.49/5,773.40
  6. Step 6: Final answer
    x = 2,814.72

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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.