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Finding the Fourth Proportional to 64,850.88, 97,235.28 and 27,391.68

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Solution

The fourth proportional to 64,850.88, 97,235.28 and 27,391.68 is: 41,070.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,850.88 : 97,235.28 = 27,391.68 : x
  2. Step 2: Convert to fraction form
    64,850.88/97,235.28 = 27,391.68/x
  3. Step 3: Cross multiply
    64,850.88x = 97,235.28 × 27,391.68
  4. Step 4: Simplify right side
    64,850.88x = 2,663,437,674.47
  5. Step 5: Solve for x
    x = 2,663,437,674.47/64,850.88
  6. Step 6: Final answer
    x = 41,070.19

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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.