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Finding the Fourth Proportional to 7,732.85, 10,671.85 and 4,375.81

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Solution

The fourth proportional to 7,732.85, 10,671.85 and 4,375.81 is: 6,038.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,732.85 : 10,671.85 = 4,375.81 : x
  2. Step 2: Convert to fraction form
    7,732.85/10,671.85 = 4,375.81/x
  3. Step 3: Cross multiply
    7,732.85x = 10,671.85 × 4,375.81
  4. Step 4: Simplify right side
    7,732.85x = 46,697,934.59
  5. Step 5: Solve for x
    x = 46,697,934.59/7,732.85
  6. Step 6: Final answer
    x = 6,038.90

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1.5x scale

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.