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Finding the Fourth Proportional to 7,471.54, 10,309.58 and 4,327.12

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Solution

The fourth proportional to 7,471.54, 10,309.58 and 4,327.12 is: 5,970.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471.54 : 10,309.58 = 4,327.12 : x
  2. Step 2: Convert to fraction form
    7,471.54/10,309.58 = 4,327.12/x
  3. Step 3: Cross multiply
    7,471.54x = 10,309.58 × 4,327.12
  4. Step 4: Simplify right side
    7,471.54x = 44,610,789.81
  5. Step 5: Solve for x
    x = 44,610,789.81/7,471.54
  6. Step 6: Final answer
    x = 5,970.76

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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.