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Finding the Fourth Proportional to 64,242.60, 88,657.26 and 35,947.68

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Solution

The fourth proportional to 64,242.60, 88,657.26 and 35,947.68 is: 49,609.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,242.60 : 88,657.26 = 35,947.68 : x
  2. Step 2: Convert to fraction form
    64,242.60/88,657.26 = 35,947.68/x
  3. Step 3: Cross multiply
    64,242.60x = 88,657.26 × 35,947.68
  4. Step 4: Simplify right side
    64,242.60x = 3,187,022,812.16
  5. Step 5: Solve for x
    x = 3,187,022,812.16/64,242.60
  6. Step 6: Final answer
    x = 49,609.18

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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.