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Finding the Fourth Proportional to 28,248, 38,844 and 24,515.52

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Solution

The fourth proportional to 28,248, 38,844 and 24,515.52 is: 33,711.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248 : 38,844 = 24,515.52 : x
  2. Step 2: Convert to fraction form
    28,248/38,844 = 24,515.52/x
  3. Step 3: Cross multiply
    28,248x = 38,844 × 24,515.52
  4. Step 4: Simplify right side
    28,248x = 952,280,858.88
  5. Step 5: Solve for x
    x = 952,280,858.88/28,248
  6. Step 6: Final answer
    x = 33,711.44

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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.