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Finding the Fourth Proportional to 1,037.72, 1,432.14 and 595.77

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Solution

The fourth proportional to 1,037.72, 1,432.14 and 595.77 is: 822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.72 : 1,432.14 = 595.77 : x
  2. Step 2: Convert to fraction form
    1,037.72/1,432.14 = 595.77/x
  3. Step 3: Cross multiply
    1,037.72x = 1,432.14 × 595.77
  4. Step 4: Simplify right side
    1,037.72x = 853,218.44
  5. Step 5: Solve for x
    x = 853,218.44/1,037.72
  6. Step 6: Final answer
    x = 822.20

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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.