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Finding the Fourth Proportional to 64,945.60, 97,364.40 and 27,534.40

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Solution

The fourth proportional to 64,945.60, 97,364.40 and 27,534.40 is: 41,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,945.60 : 97,364.40 = 27,534.40 : x
  2. Step 2: Convert to fraction form
    64,945.60/97,364.40 = 27,534.40/x
  3. Step 3: Cross multiply
    64,945.60x = 97,364.40 × 27,534.40
  4. Step 4: Simplify right side
    64,945.60x = 2,680,870,335.36
  5. Step 5: Solve for x
    x = 2,680,870,335.36/64,945.60
  6. Step 6: Final answer
    x = 41,278.71

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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.