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Finding the Fourth Proportional to 64,712.66, 97,106.72 and 27,270.41

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Solution

The fourth proportional to 64,712.66, 97,106.72 and 27,270.41 is: 40,921.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,712.66 : 97,106.72 = 27,270.41 : x
  2. Step 2: Convert to fraction form
    64,712.66/97,106.72 = 27,270.41/x
  3. Step 3: Cross multiply
    64,712.66x = 97,106.72 × 27,270.41
  4. Step 4: Simplify right side
    64,712.66x = 2,648,139,446.27
  5. Step 5: Solve for x
    x = 2,648,139,446.27/64,712.66
  6. Step 6: Final answer
    x = 40,921.51

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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.