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Finding the Fourth Proportional to 64,477.27, 88,978.39 and 36,182.89

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Solution

The fourth proportional to 64,477.27, 88,978.39 and 36,182.89 is: 49,932.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,477.27 : 88,978.39 = 36,182.89 : x
  2. Step 2: Convert to fraction form
    64,477.27/88,978.39 = 36,182.89/x
  3. Step 3: Cross multiply
    64,477.27x = 88,978.39 × 36,182.89
  4. Step 4: Simplify right side
    64,477.27x = 3,219,495,297.75
  5. Step 5: Solve for x
    x = 3,219,495,297.75/64,477.27
  6. Step 6: Final answer
    x = 49,932.25

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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.