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Finding the Fourth Proportional to 35,102.52, 48,442.78 and 19,188.04

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Solution

The fourth proportional to 35,102.52, 48,442.78 and 19,188.04 is: 26,480.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,102.52 : 48,442.78 = 19,188.04 : x
  2. Step 2: Convert to fraction form
    35,102.52/48,442.78 = 19,188.04/x
  3. Step 3: Cross multiply
    35,102.52x = 48,442.78 × 19,188.04
  4. Step 4: Simplify right side
    35,102.52x = 929,522,000.35
  5. Step 5: Solve for x
    x = 929,522,000.35/35,102.52
  6. Step 6: Final answer
    x = 26,480.21

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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.