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Finding the Fourth Proportional to 35,103.52, 48,442.68 and 19,188.88

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Solution

The fourth proportional to 35,103.52, 48,442.68 and 19,188.88 is: 26,480.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,103.52 : 48,442.68 = 19,188.88 : x
  2. Step 2: Convert to fraction form
    35,103.52/48,442.68 = 19,188.88/x
  3. Step 3: Cross multiply
    35,103.52x = 48,442.68 × 19,188.88
  4. Step 4: Simplify right side
    35,103.52x = 929,560,773.40
  5. Step 5: Solve for x
    x = 929,560,773.40/35,103.52
  6. Step 6: Final answer
    x = 26,480.56

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1.5x scale

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.