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Finding the Fourth Proportional to 64,828.97, 97,253.83 and 27,389.39

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Solution

The fourth proportional to 64,828.97, 97,253.83 and 27,389.39 is: 41,088.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,828.97 : 97,253.83 = 27,389.39 : x
  2. Step 2: Convert to fraction form
    64,828.97/97,253.83 = 27,389.39/x
  3. Step 3: Cross multiply
    64,828.97x = 97,253.83 × 27,389.39
  4. Step 4: Simplify right side
    64,828.97x = 2,663,723,078.86
  5. Step 5: Solve for x
    x = 2,663,723,078.86/64,828.97
  6. Step 6: Final answer
    x = 41,088.47

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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.