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Finding the Fourth Proportional to 12,359.60, 17,052.04 and 7,050.60

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Solution

The fourth proportional to 12,359.60, 17,052.04 and 7,050.60 is: 9,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.60 : 17,052.04 = 7,050.60 : x
  2. Step 2: Convert to fraction form
    12,359.60/17,052.04 = 7,050.60/x
  3. Step 3: Cross multiply
    12,359.60x = 17,052.04 × 7,050.60
  4. Step 4: Simplify right side
    12,359.60x = 120,227,113.22
  5. Step 5: Solve for x
    x = 120,227,113.22/12,359.60
  6. Step 6: Final answer
    x = 9,727.43

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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.