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Finding the Fourth Proportional to 12,376.44, 17,073.45 and 7,069.86

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Solution

The fourth proportional to 12,376.44, 17,073.45 and 7,069.86 is: 9,752.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.44 : 17,073.45 = 7,069.86 : x
  2. Step 2: Convert to fraction form
    12,376.44/17,073.45 = 7,069.86/x
  3. Step 3: Cross multiply
    12,376.44x = 17,073.45 × 7,069.86
  4. Step 4: Simplify right side
    12,376.44x = 120,706,901.22
  5. Step 5: Solve for x
    x = 120,706,901.22/12,376.44
  6. Step 6: Final answer
    x = 9,752.96

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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.