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Finding the Fourth Proportional to 12,373.11, 17,051.99 and 8,788.23

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Solution

The fourth proportional to 12,373.11, 17,051.99 and 8,788.23 is: 12,111.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373.11 : 17,051.99 = 8,788.23 : x
  2. Step 2: Convert to fraction form
    12,373.11/17,051.99 = 8,788.23/x
  3. Step 3: Cross multiply
    12,373.11x = 17,051.99 × 8,788.23
  4. Step 4: Simplify right side
    12,373.11x = 149,856,724.82
  5. Step 5: Solve for x
    x = 149,856,724.82/12,373.11
  6. Step 6: Final answer
    x = 12,111.49

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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.