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Finding the Fourth Proportional to 61,362.64, 84,160.82 and 60,635.60

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Solution

The fourth proportional to 61,362.64, 84,160.82 and 60,635.60 is: 83,163.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,362.64 : 84,160.82 = 60,635.60 : x
  2. Step 2: Convert to fraction form
    61,362.64/84,160.82 = 60,635.60/x
  3. Step 3: Cross multiply
    61,362.64x = 84,160.82 × 60,635.60
  4. Step 4: Simplify right side
    61,362.64x = 5,103,141,817.19
  5. Step 5: Solve for x
    x = 5,103,141,817.19/61,362.64
  6. Step 6: Final answer
    x = 83,163.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.