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Finding the Fourth Proportional to 44,473.71, 66,718.65 and 21,099.93

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Solution

The fourth proportional to 44,473.71, 66,718.65 and 21,099.93 is: 31,653.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,473.71 : 66,718.65 = 21,099.93 : x
  2. Step 2: Convert to fraction form
    44,473.71/66,718.65 = 21,099.93/x
  3. Step 3: Cross multiply
    44,473.71x = 66,718.65 × 21,099.93
  4. Step 4: Simplify right side
    44,473.71x = 1,407,758,844.69
  5. Step 5: Solve for x
    x = 1,407,758,844.69/44,473.71
  6. Step 6: Final answer
    x = 31,653.73

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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.