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Finding the Fourth Proportional to 64,427.52, 88,909.81 and 36,133.82

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Solution

The fourth proportional to 64,427.52, 88,909.81 and 36,133.82 is: 49,864.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,427.52 : 88,909.81 = 36,133.82 : x
  2. Step 2: Convert to fraction form
    64,427.52/88,909.81 = 36,133.82/x
  3. Step 3: Cross multiply
    64,427.52x = 88,909.81 × 36,133.82
  4. Step 4: Simplify right side
    64,427.52x = 3,212,651,070.77
  5. Step 5: Solve for x
    x = 3,212,651,070.77/64,427.52
  6. Step 6: Final answer
    x = 49,864.58

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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.