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Finding the Fourth Proportional to 1,037.91, 1,432.19 and 595.80

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Solution

The fourth proportional to 1,037.91, 1,432.19 and 595.80 is: 822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.91 : 1,432.19 = 595.80 : x
  2. Step 2: Convert to fraction form
    1,037.91/1,432.19 = 595.80/x
  3. Step 3: Cross multiply
    1,037.91x = 1,432.19 × 595.80
  4. Step 4: Simplify right side
    1,037.91x = 853,291.64
  5. Step 5: Solve for x
    x = 853,291.64/1,037.91
  6. Step 6: Final answer
    x = 822.13

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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.