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Finding the Fourth Proportional to 37,659.60, 56,503.80 and 37,069.20

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Solution

The fourth proportional to 37,659.60, 56,503.80 and 37,069.20 is: 55,617.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,659.60 : 56,503.80 = 37,069.20 : x
  2. Step 2: Convert to fraction form
    37,659.60/56,503.80 = 37,069.20/x
  3. Step 3: Cross multiply
    37,659.60x = 56,503.80 × 37,069.20
  4. Step 4: Simplify right side
    37,659.60x = 2,094,550,662.96
  5. Step 5: Solve for x
    x = 2,094,550,662.96/37,659.60
  6. Step 6: Final answer
    x = 55,617.97

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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.