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Finding the Fourth Proportional to 5,064.12, 6,992 and 3,176.52

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Solution

The fourth proportional to 5,064.12, 6,992 and 3,176.52 is: 4,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,064.12 : 6,992 = 3,176.52 : x
  2. Step 2: Convert to fraction form
    5,064.12/6,992 = 3,176.52/x
  3. Step 3: Cross multiply
    5,064.12x = 6,992 × 3,176.52
  4. Step 4: Simplify right side
    5,064.12x = 22,210,227.84
  5. Step 5: Solve for x
    x = 22,210,227.84/5,064.12
  6. Step 6: Final answer
    x = 4,385.80

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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.