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Finding the Fourth Proportional to 40,113.60, 60,208.80 and 34,276.80

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Solution

The fourth proportional to 40,113.60, 60,208.80 and 34,276.80 is: 51,448.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,113.60 : 60,208.80 = 34,276.80 : x
  2. Step 2: Convert to fraction form
    40,113.60/60,208.80 = 34,276.80/x
  3. Step 3: Cross multiply
    40,113.60x = 60,208.80 × 34,276.80
  4. Step 4: Simplify right side
    40,113.60x = 2,063,764,995.84
  5. Step 5: Solve for x
    x = 2,063,764,995.84/40,113.60
  6. Step 6: Final answer
    x = 51,448.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.