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Finding the Fourth Proportional to 61,764.70, 85,228.44 and 34,907.14

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Solution

The fourth proportional to 61,764.70, 85,228.44 and 34,907.14 is: 48,167.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,764.70 : 85,228.44 = 34,907.14 : x
  2. Step 2: Convert to fraction form
    61,764.70/85,228.44 = 34,907.14/x
  3. Step 3: Cross multiply
    61,764.70x = 85,228.44 × 34,907.14
  4. Step 4: Simplify right side
    61,764.70x = 2,975,081,087.06
  5. Step 5: Solve for x
    x = 2,975,081,087.06/61,764.70
  6. Step 6: Final answer
    x = 48,167.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.