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Finding the Fourth Proportional to 25,348.08, 38,028.60 and 10,552.08

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Solution

The fourth proportional to 25,348.08, 38,028.60 and 10,552.08 is: 15,830.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,348.08 : 38,028.60 = 10,552.08 : x
  2. Step 2: Convert to fraction form
    25,348.08/38,028.60 = 10,552.08/x
  3. Step 3: Cross multiply
    25,348.08x = 38,028.60 × 10,552.08
  4. Step 4: Simplify right side
    25,348.08x = 401,280,829.49
  5. Step 5: Solve for x
    x = 401,280,829.49/25,348.08
  6. Step 6: Final answer
    x = 15,830.82

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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.