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Finding the Fourth Proportional to 64,755.68, 97,055.68 and 27,301.28

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Solution

The fourth proportional to 64,755.68, 97,055.68 and 27,301.28 is: 40,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,755.68 : 97,055.68 = 27,301.28 : x
  2. Step 2: Convert to fraction form
    64,755.68/97,055.68 = 27,301.28/x
  3. Step 3: Cross multiply
    64,755.68x = 97,055.68 × 27,301.28
  4. Step 4: Simplify right side
    64,755.68x = 2,649,744,295.27
  5. Step 5: Solve for x
    x = 2,649,744,295.27/64,755.68
  6. Step 6: Final answer
    x = 40,919.10

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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.