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Finding the Fourth Proportional to 64,657.70, 89,214.26 and 37,795.01

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Solution

The fourth proportional to 64,657.70, 89,214.26 and 37,795.01 is: 52,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,657.70 : 89,214.26 = 37,795.01 : x
  2. Step 2: Convert to fraction form
    64,657.70/89,214.26 = 37,795.01/x
  3. Step 3: Cross multiply
    64,657.70x = 89,214.26 × 37,795.01
  4. Step 4: Simplify right side
    64,657.70x = 3,371,853,659.87
  5. Step 5: Solve for x
    x = 3,371,853,659.87/64,657.70
  6. Step 6: Final answer
    x = 52,149.30

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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.