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Finding the Fourth Proportional to 72,473.76, 99,994.78 and 41,839.36

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Solution

The fourth proportional to 72,473.76, 99,994.78 and 41,839.36 is: 57,727.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,473.76 : 99,994.78 = 41,839.36 : x
  2. Step 2: Convert to fraction form
    72,473.76/99,994.78 = 41,839.36/x
  3. Step 3: Cross multiply
    72,473.76x = 99,994.78 × 41,839.36
  4. Step 4: Simplify right side
    72,473.76x = 4,183,717,598.54
  5. Step 5: Solve for x
    x = 4,183,717,598.54/72,473.76
  6. Step 6: Final answer
    x = 57,727.34

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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.