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Finding the Fourth Proportional to 63,561.29, 87,730.44 and 36,719.37

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Solution

The fourth proportional to 63,561.29, 87,730.44 and 36,719.37 is: 50,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,561.29 : 87,730.44 = 36,719.37 : x
  2. Step 2: Convert to fraction form
    63,561.29/87,730.44 = 36,719.37/x
  3. Step 3: Cross multiply
    63,561.29x = 87,730.44 × 36,719.37
  4. Step 4: Simplify right side
    63,561.29x = 3,221,406,111.32
  5. Step 5: Solve for x
    x = 3,221,406,111.32/63,561.29
  6. Step 6: Final answer
    x = 50,681.89

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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.