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Finding the Fourth Proportional to 63,663.68, 87,764.64 and 44,742.08

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Solution

The fourth proportional to 63,663.68, 87,764.64 and 44,742.08 is: 61,679.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,663.68 : 87,764.64 = 44,742.08 : x
  2. Step 2: Convert to fraction form
    63,663.68/87,764.64 = 44,742.08/x
  3. Step 3: Cross multiply
    63,663.68x = 87,764.64 × 44,742.08
  4. Step 4: Simplify right side
    63,663.68x = 3,926,772,544.05
  5. Step 5: Solve for x
    x = 3,926,772,544.05/63,663.68
  6. Step 6: Final answer
    x = 61,679.95

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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.