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Finding the Fourth Proportional to 4,886.88, 7,320.87 and 3,038.73

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Solution

The fourth proportional to 4,886.88, 7,320.87 and 3,038.73 is: 4,552.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.88 : 7,320.87 = 3,038.73 : x
  2. Step 2: Convert to fraction form
    4,886.88/7,320.87 = 3,038.73/x
  3. Step 3: Cross multiply
    4,886.88x = 7,320.87 × 3,038.73
  4. Step 4: Simplify right side
    4,886.88x = 22,246,147.30
  5. Step 5: Solve for x
    x = 22,246,147.30/4,886.88
  6. Step 6: Final answer
    x = 4,552.22

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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.