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Finding the Fourth Proportional to 8,339.46, 12,507.32 and 2,495.32

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Solution

The fourth proportional to 8,339.46, 12,507.32 and 2,495.32 is: 3,742.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.46 : 12,507.32 = 2,495.32 : x
  2. Step 2: Convert to fraction form
    8,339.46/12,507.32 = 2,495.32/x
  3. Step 3: Cross multiply
    8,339.46x = 12,507.32 × 2,495.32
  4. Step 4: Simplify right side
    8,339.46x = 31,209,765.74
  5. Step 5: Solve for x
    x = 31,209,765.74/8,339.46
  6. Step 6: Final answer
    x = 3,742.42

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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.