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Finding the Fourth Proportional to 7,471.84, 10,308.84 and 4,327.42

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Solution

The fourth proportional to 7,471.84, 10,308.84 and 4,327.42 is: 5,970.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471.84 : 10,308.84 = 4,327.42 : x
  2. Step 2: Convert to fraction form
    7,471.84/10,308.84 = 4,327.42/x
  3. Step 3: Cross multiply
    7,471.84x = 10,308.84 × 4,327.42
  4. Step 4: Simplify right side
    7,471.84x = 44,610,680.39
  5. Step 5: Solve for x
    x = 44,610,680.39/7,471.84
  6. Step 6: Final answer
    x = 5,970.51

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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.