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Finding the Fourth Proportional to 5,000.52, 6,900.86 and 2,876.55

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Solution

The fourth proportional to 5,000.52, 6,900.86 and 2,876.55 is: 3,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.52 : 6,900.86 = 2,876.55 : x
  2. Step 2: Convert to fraction form
    5,000.52/6,900.86 = 2,876.55/x
  3. Step 3: Cross multiply
    5,000.52x = 6,900.86 × 2,876.55
  4. Step 4: Simplify right side
    5,000.52x = 19,850,668.83
  5. Step 5: Solve for x
    x = 19,850,668.83/5,000.52
  6. Step 6: Final answer
    x = 3,969.72

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1.5x scale

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.