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Finding the Fourth Proportional to 61,334.10, 84,792 and 60,772.77

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Solution

The fourth proportional to 61,334.10, 84,792 and 60,772.77 is: 84,015.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,334.10 : 84,792 = 60,772.77 : x
  2. Step 2: Convert to fraction form
    61,334.10/84,792 = 60,772.77/x
  3. Step 3: Cross multiply
    61,334.10x = 84,792 × 60,772.77
  4. Step 4: Simplify right side
    61,334.10x = 5,153,044,713.84
  5. Step 5: Solve for x
    x = 5,153,044,713.84/61,334.10
  6. Step 6: Final answer
    x = 84,015.98

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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.