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Finding the Fourth Proportional to 12,752.87, 17,593.92 and 7,374.32

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Solution

The fourth proportional to 12,752.87, 17,593.92 and 7,374.32 is: 10,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752.87 : 17,593.92 = 7,374.32 : x
  2. Step 2: Convert to fraction form
    12,752.87/17,593.92 = 7,374.32/x
  3. Step 3: Cross multiply
    12,752.87x = 17,593.92 × 7,374.32
  4. Step 4: Simplify right side
    12,752.87x = 129,743,071.29
  5. Step 5: Solve for x
    x = 129,743,071.29/12,752.87
  6. Step 6: Final answer
    x = 10,173.64

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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.