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Finding the Fourth Proportional to 12,334.56, 17,020.98 and 7,029.87

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Solution

The fourth proportional to 12,334.56, 17,020.98 and 7,029.87 is: 9,700.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,334.56 : 17,020.98 = 7,029.87 : x
  2. Step 2: Convert to fraction form
    12,334.56/17,020.98 = 7,029.87/x
  3. Step 3: Cross multiply
    12,334.56x = 17,020.98 × 7,029.87
  4. Step 4: Simplify right side
    12,334.56x = 119,655,276.67
  5. Step 5: Solve for x
    x = 119,655,276.67/12,334.56
  6. Step 6: Final answer
    x = 9,700.81

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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.