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Finding the Fourth Proportional to 61,406.90, 84,736.95 and 34,544.22

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Solution

The fourth proportional to 61,406.90, 84,736.95 and 34,544.22 is: 47,668.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,406.90 : 84,736.95 = 34,544.22 : x
  2. Step 2: Convert to fraction form
    61,406.90/84,736.95 = 34,544.22/x
  3. Step 3: Cross multiply
    61,406.90x = 84,736.95 × 34,544.22
  4. Step 4: Simplify right side
    61,406.90x = 2,927,171,842.93
  5. Step 5: Solve for x
    x = 2,927,171,842.93/61,406.90
  6. Step 6: Final answer
    x = 47,668.46

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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.