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Finding the Fourth Proportional to 12,373.18, 17,067.18 and 7,652.50

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Solution

The fourth proportional to 12,373.18, 17,067.18 and 7,652.50 is: 10,555.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,373.18 : 17,067.18 = 7,652.50 : x
  2. Step 2: Convert to fraction form
    12,373.18/17,067.18 = 7,652.50/x
  3. Step 3: Cross multiply
    12,373.18x = 17,067.18 × 7,652.50
  4. Step 4: Simplify right side
    12,373.18x = 130,606,594.95
  5. Step 5: Solve for x
    x = 130,606,594.95/12,373.18
  6. Step 6: Final answer
    x = 10,555.62

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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.