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Finding the Fourth Proportional to 3,175.52, 4,763.70 and 1,615.01

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Solution

The fourth proportional to 3,175.52, 4,763.70 and 1,615.01 is: 2,422.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,175.52 : 4,763.70 = 1,615.01 : x
  2. Step 2: Convert to fraction form
    3,175.52/4,763.70 = 1,615.01/x
  3. Step 3: Cross multiply
    3,175.52x = 4,763.70 × 1,615.01
  4. Step 4: Simplify right side
    3,175.52x = 7,693,399.32
  5. Step 5: Solve for x
    x = 7,693,399.32/3,175.52
  6. Step 6: Final answer
    x = 2,422.72

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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.