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Finding the Fourth Proportional to 4,959.88, 7,439.31 and 1,673.01

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Solution

The fourth proportional to 4,959.88, 7,439.31 and 1,673.01 is: 2,509.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.88 : 7,439.31 = 1,673.01 : x
  2. Step 2: Convert to fraction form
    4,959.88/7,439.31 = 1,673.01/x
  3. Step 3: Cross multiply
    4,959.88x = 7,439.31 × 1,673.01
  4. Step 4: Simplify right side
    4,959.88x = 12,446,040.02
  5. Step 5: Solve for x
    x = 12,446,040.02/4,959.88
  6. Step 6: Final answer
    x = 2,509.34

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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.