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Finding the Fourth Proportional to 64,724.60, 97,100.76 and 36,657.92

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Solution

The fourth proportional to 64,724.60, 97,100.76 and 36,657.92 is: 54,994.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,724.60 : 97,100.76 = 36,657.92 : x
  2. Step 2: Convert to fraction form
    64,724.60/97,100.76 = 36,657.92/x
  3. Step 3: Cross multiply
    64,724.60x = 97,100.76 × 36,657.92
  4. Step 4: Simplify right side
    64,724.60x = 3,559,511,892.02
  5. Step 5: Solve for x
    x = 3,559,511,892.02/64,724.60
  6. Step 6: Final answer
    x = 54,994.73

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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.