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Finding the Fourth Proportional to 61,114.44, 91,698.80 and 38,922.08

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Solution

The fourth proportional to 61,114.44, 91,698.80 and 38,922.08 is: 58,400.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,114.44 : 91,698.80 = 38,922.08 : x
  2. Step 2: Convert to fraction form
    61,114.44/91,698.80 = 38,922.08/x
  3. Step 3: Cross multiply
    61,114.44x = 91,698.80 × 38,922.08
  4. Step 4: Simplify right side
    61,114.44x = 3,569,108,029.50
  5. Step 5: Solve for x
    x = 3,569,108,029.50/61,114.44
  6. Step 6: Final answer
    x = 58,400.40

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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.