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Finding the Fourth Proportional to 7,473.53, 10,313.05 and 4,115.70

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Solution

The fourth proportional to 7,473.53, 10,313.05 and 4,115.70 is: 5,679.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.53 : 10,313.05 = 4,115.70 : x
  2. Step 2: Convert to fraction form
    7,473.53/10,313.05 = 4,115.70/x
  3. Step 3: Cross multiply
    7,473.53x = 10,313.05 × 4,115.70
  4. Step 4: Simplify right side
    7,473.53x = 42,445,399.31
  5. Step 5: Solve for x
    x = 42,445,399.31/7,473.53
  6. Step 6: Final answer
    x = 5,679.43

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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.