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Finding the Fourth Proportional to 7,999.49, 12,001.46 and 2,453.01

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Solution

The fourth proportional to 7,999.49, 12,001.46 and 2,453.01 is: 3,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.49 : 12,001.46 = 2,453.01 : x
  2. Step 2: Convert to fraction form
    7,999.49/12,001.46 = 2,453.01/x
  3. Step 3: Cross multiply
    7,999.49x = 12,001.46 × 2,453.01
  4. Step 4: Simplify right side
    7,999.49x = 29,439,689.13
  5. Step 5: Solve for x
    x = 29,439,689.13/7,999.49
  6. Step 6: Final answer
    x = 3,680.20

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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.