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Finding the Fourth Proportional to 22,750.44, 34,130.64 and 6,956.76

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Solution

The fourth proportional to 22,750.44, 34,130.64 and 6,956.76 is: 10,436.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,750.44 : 34,130.64 = 6,956.76 : x
  2. Step 2: Convert to fraction form
    22,750.44/34,130.64 = 6,956.76/x
  3. Step 3: Cross multiply
    22,750.44x = 34,130.64 × 6,956.76
  4. Step 4: Simplify right side
    22,750.44x = 237,438,671.13
  5. Step 5: Solve for x
    x = 237,438,671.13/22,750.44
  6. Step 6: Final answer
    x = 10,436.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.