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Finding the Fourth Proportional to 1,037.81, 1,432.08 and 595.68

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Solution

The fourth proportional to 1,037.81, 1,432.08 and 595.68 is: 821.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.81 : 1,432.08 = 595.68 : x
  2. Step 2: Convert to fraction form
    1,037.81/1,432.08 = 595.68/x
  3. Step 3: Cross multiply
    1,037.81x = 1,432.08 × 595.68
  4. Step 4: Simplify right side
    1,037.81x = 853,061.41
  5. Step 5: Solve for x
    x = 853,061.41/1,037.81
  6. Step 6: Final answer
    x = 821.99

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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.