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Finding the Fourth Proportional to 4,887.97, 7,330.82 and 2,914.15

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Solution

The fourth proportional to 4,887.97, 7,330.82 and 2,914.15 is: 4,370.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.97 : 7,330.82 = 2,914.15 : x
  2. Step 2: Convert to fraction form
    4,887.97/7,330.82 = 2,914.15/x
  3. Step 3: Cross multiply
    4,887.97x = 7,330.82 × 2,914.15
  4. Step 4: Simplify right side
    4,887.97x = 21,363,109.10
  5. Step 5: Solve for x
    x = 21,363,109.10/4,887.97
  6. Step 6: Final answer
    x = 4,370.55

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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.