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Finding the Fourth Proportional to 61,137.69, 84,385.01 and 37,277.51

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Solution

The fourth proportional to 61,137.69, 84,385.01 and 37,277.51 is: 51,452.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,137.69 : 84,385.01 = 37,277.51 : x
  2. Step 2: Convert to fraction form
    61,137.69/84,385.01 = 37,277.51/x
  3. Step 3: Cross multiply
    61,137.69x = 84,385.01 × 37,277.51
  4. Step 4: Simplify right side
    61,137.69x = 3,145,663,054.13
  5. Step 5: Solve for x
    x = 3,145,663,054.13/61,137.69
  6. Step 6: Final answer
    x = 51,452.11

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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.