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Finding the Fourth Proportional to 8,848.32, 12,212.64 and 7,352.16

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Solution

The fourth proportional to 8,848.32, 12,212.64 and 7,352.16 is: 10,147.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,848.32 : 12,212.64 = 7,352.16 : x
  2. Step 2: Convert to fraction form
    8,848.32/12,212.64 = 7,352.16/x
  3. Step 3: Cross multiply
    8,848.32x = 12,212.64 × 7,352.16
  4. Step 4: Simplify right side
    8,848.32x = 89,789,283.30
  5. Step 5: Solve for x
    x = 89,789,283.30/8,848.32
  6. Step 6: Final answer
    x = 10,147.61

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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.