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Finding the Fourth Proportional to 61,371.36, 92,069.28 and 21,934.08

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Solution

The fourth proportional to 61,371.36, 92,069.28 and 21,934.08 is: 32,905.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,371.36 : 92,069.28 = 21,934.08 : x
  2. Step 2: Convert to fraction form
    61,371.36/92,069.28 = 21,934.08/x
  3. Step 3: Cross multiply
    61,371.36x = 92,069.28 × 21,934.08
  4. Step 4: Simplify right side
    61,371.36x = 2,019,454,953.06
  5. Step 5: Solve for x
    x = 2,019,454,953.06/61,371.36
  6. Step 6: Final answer
    x = 32,905.49

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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.