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Finding the Fourth Proportional to 60,878.93, 84,038.78 and 37,013.22

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Solution

The fourth proportional to 60,878.93, 84,038.78 and 37,013.22 is: 51,093.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,878.93 : 84,038.78 = 37,013.22 : x
  2. Step 2: Convert to fraction form
    60,878.93/84,038.78 = 37,013.22/x
  3. Step 3: Cross multiply
    60,878.93x = 84,038.78 × 37,013.22
  4. Step 4: Simplify right side
    60,878.93x = 3,110,545,945.20
  5. Step 5: Solve for x
    x = 3,110,545,945.20/60,878.93
  6. Step 6: Final answer
    x = 51,093.97

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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.