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Finding the Fourth Proportional to 61,220.44, 91,830.60 and 16,847.44

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Solution

The fourth proportional to 61,220.44, 91,830.60 and 16,847.44 is: 25,271.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,220.44 : 91,830.60 = 16,847.44 : x
  2. Step 2: Convert to fraction form
    61,220.44/91,830.60 = 16,847.44/x
  3. Step 3: Cross multiply
    61,220.44x = 91,830.60 × 16,847.44
  4. Step 4: Simplify right side
    61,220.44x = 1,547,110,523.66
  5. Step 5: Solve for x
    x = 1,547,110,523.66/61,220.44
  6. Step 6: Final answer
    x = 25,271.14

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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.