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Finding the Fourth Proportional to 44,363.72, 66,535.64 and 12,766.74

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Solution

The fourth proportional to 44,363.72, 66,535.64 and 12,766.74 is: 19,147.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,363.72 : 66,535.64 = 12,766.74 : x
  2. Step 2: Convert to fraction form
    44,363.72/66,535.64 = 12,766.74/x
  3. Step 3: Cross multiply
    44,363.72x = 66,535.64 × 12,766.74
  4. Step 4: Simplify right side
    44,363.72x = 849,443,152.78
  5. Step 5: Solve for x
    x = 849,443,152.78/44,363.72
  6. Step 6: Final answer
    x = 19,147.25

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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.