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Finding the Fourth Proportional to 63,605.88, 87,779.16 and 36,751.95

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Solution

The fourth proportional to 63,605.88, 87,779.16 and 36,751.95 is: 50,719.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,605.88 : 87,779.16 = 36,751.95 : x
  2. Step 2: Convert to fraction form
    63,605.88/87,779.16 = 36,751.95/x
  3. Step 3: Cross multiply
    63,605.88x = 87,779.16 × 36,751.95
  4. Step 4: Simplify right side
    63,605.88x = 3,226,055,299.36
  5. Step 5: Solve for x
    x = 3,226,055,299.36/63,605.88
  6. Step 6: Final answer
    x = 50,719.45

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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.