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Finding the Fourth Proportional to 1,053.26, 1,453.51 and 587.52

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Solution

The fourth proportional to 1,053.26, 1,453.51 and 587.52 is: 810.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053.26 : 1,453.51 = 587.52 : x
  2. Step 2: Convert to fraction form
    1,053.26/1,453.51 = 587.52/x
  3. Step 3: Cross multiply
    1,053.26x = 1,453.51 × 587.52
  4. Step 4: Simplify right side
    1,053.26x = 853,966.20
  5. Step 5: Solve for x
    x = 853,966.20/1,053.26
  6. Step 6: Final answer
    x = 810.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.