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Finding the Fourth Proportional to 61,282.44, 91,900.98 and 21,829.08

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Solution

The fourth proportional to 61,282.44, 91,900.98 and 21,829.08 is: 32,735.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,282.44 : 91,900.98 = 21,829.08 : x
  2. Step 2: Convert to fraction form
    61,282.44/91,900.98 = 21,829.08/x
  3. Step 3: Cross multiply
    61,282.44x = 91,900.98 × 21,829.08
  4. Step 4: Simplify right side
    61,282.44x = 2,006,113,844.50
  5. Step 5: Solve for x
    x = 2,006,113,844.50/61,282.44
  6. Step 6: Final answer
    x = 32,735.54

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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.