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Finding the Fourth Proportional to 7,257.60, 10,886.40 and 2,327.40

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Solution

The fourth proportional to 7,257.60, 10,886.40 and 2,327.40 is: 3,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,257.60 : 10,886.40 = 2,327.40 : x
  2. Step 2: Convert to fraction form
    7,257.60/10,886.40 = 2,327.40/x
  3. Step 3: Cross multiply
    7,257.60x = 10,886.40 × 2,327.40
  4. Step 4: Simplify right side
    7,257.60x = 25,337,007.36
  5. Step 5: Solve for x
    x = 25,337,007.36/7,257.60
  6. Step 6: Final answer
    x = 3,491.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.