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Finding the Fourth Proportional to 29,376.50, 44,064.75 and 7,488.50

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Solution

The fourth proportional to 29,376.50, 44,064.75 and 7,488.50 is: 11,232.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,376.50 : 44,064.75 = 7,488.50 : x
  2. Step 2: Convert to fraction form
    29,376.50/44,064.75 = 7,488.50/x
  3. Step 3: Cross multiply
    29,376.50x = 44,064.75 × 7,488.50
  4. Step 4: Simplify right side
    29,376.50x = 329,978,880.38
  5. Step 5: Solve for x
    x = 329,978,880.38/29,376.50
  6. Step 6: Final answer
    x = 11,232.75

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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.