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Finding the Fourth Proportional to 60,940.60, 84,095.47 and 35,447.02

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Solution

The fourth proportional to 60,940.60, 84,095.47 and 35,447.02 is: 48,915.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,940.60 : 84,095.47 = 35,447.02 : x
  2. Step 2: Convert to fraction form
    60,940.60/84,095.47 = 35,447.02/x
  3. Step 3: Cross multiply
    60,940.60x = 84,095.47 × 35,447.02
  4. Step 4: Simplify right side
    60,940.60x = 2,980,933,441.68
  5. Step 5: Solve for x
    x = 2,980,933,441.68/60,940.60
  6. Step 6: Final answer
    x = 48,915.39

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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.