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Finding the Fourth Proportional to 4,887.83, 6,745.17 and 2,649.65

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Solution

The fourth proportional to 4,887.83, 6,745.17 and 2,649.65 is: 3,656.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.83 : 6,745.17 = 2,649.65 : x
  2. Step 2: Convert to fraction form
    4,887.83/6,745.17 = 2,649.65/x
  3. Step 3: Cross multiply
    4,887.83x = 6,745.17 × 2,649.65
  4. Step 4: Simplify right side
    4,887.83x = 17,872,356.55
  5. Step 5: Solve for x
    x = 17,872,356.55/4,887.83
  6. Step 6: Final answer
    x = 3,656.50

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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.