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Finding the Fourth Proportional to 48,944.40, 73,416.60 and 42,383.40

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Solution

The fourth proportional to 48,944.40, 73,416.60 and 42,383.40 is: 63,575.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,944.40 : 73,416.60 = 42,383.40 : x
  2. Step 2: Convert to fraction form
    48,944.40/73,416.60 = 42,383.40/x
  3. Step 3: Cross multiply
    48,944.40x = 73,416.60 × 42,383.40
  4. Step 4: Simplify right side
    48,944.40x = 3,111,645,124.44
  5. Step 5: Solve for x
    x = 3,111,645,124.44/48,944.40
  6. Step 6: Final answer
    x = 63,575.10

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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.