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Finding the Fourth Proportional to 56,911.96, 85,377.96 and 19,463.23

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Solution

The fourth proportional to 56,911.96, 85,377.96 and 19,463.23 is: 29,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,911.96 : 85,377.96 = 19,463.23 : x
  2. Step 2: Convert to fraction form
    56,911.96/85,377.96 = 19,463.23/x
  3. Step 3: Cross multiply
    56,911.96x = 85,377.96 × 19,463.23
  4. Step 4: Simplify right side
    56,911.96x = 1,661,730,872.41
  5. Step 5: Solve for x
    x = 1,661,730,872.41/56,911.96
  6. Step 6: Final answer
    x = 29,198.27

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1.5x scale

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.