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Finding the Fourth Proportional to 54,990.77, 82,486.49 and 15,548.22

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Solution

The fourth proportional to 54,990.77, 82,486.49 and 15,548.22 is: 23,322.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,990.77 : 82,486.49 = 15,548.22 : x
  2. Step 2: Convert to fraction form
    54,990.77/82,486.49 = 15,548.22/x
  3. Step 3: Cross multiply
    54,990.77x = 82,486.49 × 15,548.22
  4. Step 4: Simplify right side
    54,990.77x = 1,282,518,015.81
  5. Step 5: Solve for x
    x = 1,282,518,015.81/54,990.77
  6. Step 6: Final answer
    x = 23,322.43

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1.5x scale

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.