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Finding the Fourth Proportional to 61,283.44, 91,902.48 and 21,830.08

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Solution

The fourth proportional to 61,283.44, 91,902.48 and 21,830.08 is: 32,737.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,283.44 : 91,902.48 = 21,830.08 : x
  2. Step 2: Convert to fraction form
    61,283.44/91,902.48 = 21,830.08/x
  3. Step 3: Cross multiply
    61,283.44x = 91,902.48 × 21,830.08
  4. Step 4: Simplify right side
    61,283.44x = 2,006,238,490.60
  5. Step 5: Solve for x
    x = 2,006,238,490.60/61,283.44
  6. Step 6: Final answer
    x = 32,737.04

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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.