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Finding the Fourth Proportional to 55,104.84, 82,610.55 and 21,848.40

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Solution

The fourth proportional to 55,104.84, 82,610.55 and 21,848.40 is: 32,754.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,104.84 : 82,610.55 = 21,848.40 : x
  2. Step 2: Convert to fraction form
    55,104.84/82,610.55 = 21,848.40/x
  3. Step 3: Cross multiply
    55,104.84x = 82,610.55 × 21,848.40
  4. Step 4: Simplify right side
    55,104.84x = 1,804,908,340.62
  5. Step 5: Solve for x
    x = 1,804,908,340.62/55,104.84
  6. Step 6: Final answer
    x = 32,754.08

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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.