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Finding the Fourth Proportional to 29,931.84, 44,896.41 and 8,870.94

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Solution

The fourth proportional to 29,931.84, 44,896.41 and 8,870.94 is: 13,306.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,931.84 : 44,896.41 = 8,870.94 : x
  2. Step 2: Convert to fraction form
    29,931.84/44,896.41 = 8,870.94/x
  3. Step 3: Cross multiply
    29,931.84x = 44,896.41 × 8,870.94
  4. Step 4: Simplify right side
    29,931.84x = 398,273,359.33
  5. Step 5: Solve for x
    x = 398,273,359.33/29,931.84
  6. Step 6: Final answer
    x = 13,306.01

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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.