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Finding the Fourth Proportional to 56,813.75, 85,006.35 and 33,932.77

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Solution

The fourth proportional to 56,813.75, 85,006.35 and 33,932.77 is: 50,771.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,813.75 : 85,006.35 = 33,932.77 : x
  2. Step 2: Convert to fraction form
    56,813.75/85,006.35 = 33,932.77/x
  3. Step 3: Cross multiply
    56,813.75x = 85,006.35 × 33,932.77
  4. Step 4: Simplify right side
    56,813.75x = 2,884,500,710.57
  5. Step 5: Solve for x
    x = 2,884,500,710.57/56,813.75
  6. Step 6: Final answer
    x = 50,771.18

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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.