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Finding the Fourth Proportional to 62,280.84, 93,753.66 and 55,851

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Solution

The fourth proportional to 62,280.84, 93,753.66 and 55,851 is: 84,074.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,280.84 : 93,753.66 = 55,851 : x
  2. Step 2: Convert to fraction form
    62,280.84/93,753.66 = 55,851/x
  3. Step 3: Cross multiply
    62,280.84x = 93,753.66 × 55,851
  4. Step 4: Simplify right side
    62,280.84x = 5,236,235,664.66
  5. Step 5: Solve for x
    x = 5,236,235,664.66/62,280.84
  6. Step 6: Final answer
    x = 84,074.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.