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Finding the Fourth Proportional to 55,944.84, 77,203.86 and 30,794.34

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Solution

The fourth proportional to 55,944.84, 77,203.86 and 30,794.34 is: 42,496.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,944.84 : 77,203.86 = 30,794.34 : x
  2. Step 2: Convert to fraction form
    55,944.84/77,203.86 = 30,794.34/x
  3. Step 3: Cross multiply
    55,944.84x = 77,203.86 × 30,794.34
  4. Step 4: Simplify right side
    55,944.84x = 2,377,441,914.15
  5. Step 5: Solve for x
    x = 2,377,441,914.15/55,944.84
  6. Step 6: Final answer
    x = 42,496.18

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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.