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Finding the Fourth Proportional to 44,364.62, 66,558.90 and 19,406.90

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Solution

The fourth proportional to 44,364.62, 66,558.90 and 19,406.90 is: 29,115.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,364.62 : 66,558.90 = 19,406.90 : x
  2. Step 2: Convert to fraction form
    44,364.62/66,558.90 = 19,406.90/x
  3. Step 3: Cross multiply
    44,364.62x = 66,558.90 × 19,406.90
  4. Step 4: Simplify right side
    44,364.62x = 1,291,701,916.41
  5. Step 5: Solve for x
    x = 1,291,701,916.41/44,364.62
  6. Step 6: Final answer
    x = 29,115.59

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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.