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Finding the Fourth Proportional to 64,130.52, 88,498.42 and 35,836.44

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Solution

The fourth proportional to 64,130.52, 88,498.42 and 35,836.44 is: 49,453.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,130.52 : 88,498.42 = 35,836.44 : x
  2. Step 2: Convert to fraction form
    64,130.52/88,498.42 = 35,836.44/x
  3. Step 3: Cross multiply
    64,130.52x = 88,498.42 × 35,836.44
  4. Step 4: Simplify right side
    64,130.52x = 3,171,468,318.42
  5. Step 5: Solve for x
    x = 3,171,468,318.42/64,130.52
  6. Step 6: Final answer
    x = 49,453.34

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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.