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Finding the Fourth Proportional to 22,955.76, 34,429.10 and 6,311.50

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Solution

The fourth proportional to 22,955.76, 34,429.10 and 6,311.50 is: 9,466.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,955.76 : 34,429.10 = 6,311.50 : x
  2. Step 2: Convert to fraction form
    22,955.76/34,429.10 = 6,311.50/x
  3. Step 3: Cross multiply
    22,955.76x = 34,429.10 × 6,311.50
  4. Step 4: Simplify right side
    22,955.76x = 217,299,264.65
  5. Step 5: Solve for x
    x = 217,299,264.65/22,955.76
  6. Step 6: Final answer
    x = 9,466.00

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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.