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Finding the Fourth Proportional to 61,206.84, 91,827.41 and 21,767.94

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Solution

The fourth proportional to 61,206.84, 91,827.41 and 21,767.94 is: 32,658.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,206.84 : 91,827.41 = 21,767.94 : x
  2. Step 2: Convert to fraction form
    61,206.84/91,827.41 = 21,767.94/x
  3. Step 3: Cross multiply
    61,206.84x = 91,827.41 × 21,767.94
  4. Step 4: Simplify right side
    61,206.84x = 1,998,893,442.40
  5. Step 5: Solve for x
    x = 1,998,893,442.40/61,206.84
  6. Step 6: Final answer
    x = 32,658.01

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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.