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Finding the Fourth Proportional to 7,491.88, 10,338.90 and 4,305.70

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Solution

The fourth proportional to 7,491.88, 10,338.90 and 4,305.70 is: 5,941.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.88 : 10,338.90 = 4,305.70 : x
  2. Step 2: Convert to fraction form
    7,491.88/10,338.90 = 4,305.70/x
  3. Step 3: Cross multiply
    7,491.88x = 10,338.90 × 4,305.70
  4. Step 4: Simplify right side
    7,491.88x = 44,516,201.73
  5. Step 5: Solve for x
    x = 44,516,201.73/7,491.88
  6. Step 6: Final answer
    x = 5,941.93

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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.