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Finding the Fourth Proportional to 60,940.89, 84,261.87 and 53,468.64

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Solution

The fourth proportional to 60,940.89, 84,261.87 and 53,468.64 is: 73,930.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,940.89 : 84,261.87 = 53,468.64 : x
  2. Step 2: Convert to fraction form
    60,940.89/84,261.87 = 53,468.64/x
  3. Step 3: Cross multiply
    60,940.89x = 84,261.87 × 53,468.64
  4. Step 4: Simplify right side
    60,940.89x = 4,505,367,592.76
  5. Step 5: Solve for x
    x = 4,505,367,592.76/60,940.89
  6. Step 6: Final answer
    x = 73,930.12

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1.5x scale

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.