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Finding the Fourth Proportional to 44,437.74, 66,683.49 and 19,479.21

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Solution

The fourth proportional to 44,437.74, 66,683.49 and 19,479.21 is: 29,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,437.74 : 66,683.49 = 19,479.21 : x
  2. Step 2: Convert to fraction form
    44,437.74/66,683.49 = 19,479.21/x
  3. Step 3: Cross multiply
    44,437.74x = 66,683.49 × 19,479.21
  4. Step 4: Simplify right side
    44,437.74x = 1,298,941,705.24
  5. Step 5: Solve for x
    x = 1,298,941,705.24/44,437.74
  6. Step 6: Final answer
    x = 29,230.60

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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.