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Finding the Fourth Proportional to 3,340.25, 5,010.07 and 875.01

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Solution

The fourth proportional to 3,340.25, 5,010.07 and 875.01 is: 1,312.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.25 : 5,010.07 = 875.01 : x
  2. Step 2: Convert to fraction form
    3,340.25/5,010.07 = 875.01/x
  3. Step 3: Cross multiply
    3,340.25x = 5,010.07 × 875.01
  4. Step 4: Simplify right side
    3,340.25x = 4,383,861.35
  5. Step 5: Solve for x
    x = 4,383,861.35/3,340.25
  6. Step 6: Final answer
    x = 1,312.44

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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.