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Finding the Fourth Proportional to 61,787.82, 92,688.92 and 22,363.50

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Solution

The fourth proportional to 61,787.82, 92,688.92 and 22,363.50 is: 33,547.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,787.82 : 92,688.92 = 22,363.50 : x
  2. Step 2: Convert to fraction form
    61,787.82/92,688.92 = 22,363.50/x
  3. Step 3: Cross multiply
    61,787.82x = 92,688.92 × 22,363.50
  4. Step 4: Simplify right side
    61,787.82x = 2,072,848,662.42
  5. Step 5: Solve for x
    x = 2,072,848,662.42/61,787.82
  6. Step 6: Final answer
    x = 33,547.85

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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.