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Finding the Fourth Proportional to 56,608.60, 78,099.95 and 33,954.92

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Solution

The fourth proportional to 56,608.60, 78,099.95 and 33,954.92 is: 46,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,608.60 : 78,099.95 = 33,954.92 : x
  2. Step 2: Convert to fraction form
    56,608.60/78,099.95 = 33,954.92/x
  3. Step 3: Cross multiply
    56,608.60x = 78,099.95 × 33,954.92
  4. Step 4: Simplify right side
    56,608.60x = 2,651,877,579.73
  5. Step 5: Solve for x
    x = 2,651,877,579.73/56,608.60
  6. Step 6: Final answer
    x = 46,845.84

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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.