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Finding the Fourth Proportional to 44,873.81, 67,326.21 and 19,931.33

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Solution

The fourth proportional to 44,873.81, 67,326.21 and 19,931.33 is: 29,903.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,873.81 : 67,326.21 = 19,931.33 : x
  2. Step 2: Convert to fraction form
    44,873.81/67,326.21 = 19,931.33/x
  3. Step 3: Cross multiply
    44,873.81x = 67,326.21 × 19,931.33
  4. Step 4: Simplify right side
    44,873.81x = 1,341,900,572.53
  5. Step 5: Solve for x
    x = 1,341,900,572.53/44,873.81
  6. Step 6: Final answer
    x = 29,903.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.