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Finding the Fourth Proportional to 64,326.83, 88,771.95 and 36,032.72

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Solution

The fourth proportional to 64,326.83, 88,771.95 and 36,032.72 is: 49,725.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,326.83 : 88,771.95 = 36,032.72 : x
  2. Step 2: Convert to fraction form
    64,326.83/88,771.95 = 36,032.72/x
  3. Step 3: Cross multiply
    64,326.83x = 88,771.95 × 36,032.72
  4. Step 4: Simplify right side
    64,326.83x = 3,198,694,374.34
  5. Step 5: Solve for x
    x = 3,198,694,374.34/64,326.83
  6. Step 6: Final answer
    x = 49,725.67

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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.