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Finding the Fourth Proportional to 64,391.14, 88,860.51 and 35,711.37

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Solution

The fourth proportional to 64,391.14, 88,860.51 and 35,711.37 is: 49,282.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,391.14 : 88,860.51 = 35,711.37 : x
  2. Step 2: Convert to fraction form
    64,391.14/88,860.51 = 35,711.37/x
  3. Step 3: Cross multiply
    64,391.14x = 88,860.51 × 35,711.37
  4. Step 4: Simplify right side
    64,391.14x = 3,173,330,551.00
  5. Step 5: Solve for x
    x = 3,173,330,551.00/64,391.14
  6. Step 6: Final answer
    x = 49,282.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.