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Finding the Fourth Proportional to 56,233.80, 84,350.70 and 53,641.80

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Solution

The fourth proportional to 56,233.80, 84,350.70 and 53,641.80 is: 80,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,233.80 : 84,350.70 = 53,641.80 : x
  2. Step 2: Convert to fraction form
    56,233.80/84,350.70 = 53,641.80/x
  3. Step 3: Cross multiply
    56,233.80x = 84,350.70 × 53,641.80
  4. Step 4: Simplify right side
    56,233.80x = 4,524,723,379.26
  5. Step 5: Solve for x
    x = 4,524,723,379.26/56,233.80
  6. Step 6: Final answer
    x = 80,462.70

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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.