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Finding the Fourth Proportional to 40,358.84, 55,695.23 and 22,453.86

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Solution

The fourth proportional to 40,358.84, 55,695.23 and 22,453.86 is: 30,986.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,358.84 : 55,695.23 = 22,453.86 : x
  2. Step 2: Convert to fraction form
    40,358.84/55,695.23 = 22,453.86/x
  3. Step 3: Cross multiply
    40,358.84x = 55,695.23 × 22,453.86
  4. Step 4: Simplify right side
    40,358.84x = 1,250,572,764.59
  5. Step 5: Solve for x
    x = 1,250,572,764.59/40,358.84
  6. Step 6: Final answer
    x = 30,986.34

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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.