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Finding the Fourth Proportional to 40,771.80, 56,267.49 and 22,867.80

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Solution

The fourth proportional to 40,771.80, 56,267.49 and 22,867.80 is: 31,558.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,771.80 : 56,267.49 = 22,867.80 : x
  2. Step 2: Convert to fraction form
    40,771.80/56,267.49 = 22,867.80/x
  3. Step 3: Cross multiply
    40,771.80x = 56,267.49 × 22,867.80
  4. Step 4: Simplify right side
    40,771.80x = 1,286,713,582.57
  5. Step 5: Solve for x
    x = 1,286,713,582.57/40,771.80
  6. Step 6: Final answer
    x = 31,558.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.