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Finding the Fourth Proportional to 4,008.53, 6,012.65 and 1,815.72

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Solution

The fourth proportional to 4,008.53, 6,012.65 and 1,815.72 is: 2,723.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,008.53 : 6,012.65 = 1,815.72 : x
  2. Step 2: Convert to fraction form
    4,008.53/6,012.65 = 1,815.72/x
  3. Step 3: Cross multiply
    4,008.53x = 6,012.65 × 1,815.72
  4. Step 4: Simplify right side
    4,008.53x = 10,917,293.40
  5. Step 5: Solve for x
    x = 10,917,293.40/4,008.53
  6. Step 6: Final answer
    x = 2,723.52

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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.