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Finding the Fourth Proportional to 1,544.52, 2,315.52 and 570.12

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Solution

The fourth proportional to 1,544.52, 2,315.52 and 570.12 is: 854.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.52 : 2,315.52 = 570.12 : x
  2. Step 2: Convert to fraction form
    1,544.52/2,315.52 = 570.12/x
  3. Step 3: Cross multiply
    1,544.52x = 2,315.52 × 570.12
  4. Step 4: Simplify right side
    1,544.52x = 1,320,124.26
  5. Step 5: Solve for x
    x = 1,320,124.26/1,544.52
  6. Step 6: Final answer
    x = 854.71

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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.