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Finding the Fourth Proportional to 40,403.58, 55,760.82 and 22,498.58

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Solution

The fourth proportional to 40,403.58, 55,760.82 and 22,498.58 is: 31,050.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,403.58 : 55,760.82 = 22,498.58 : x
  2. Step 2: Convert to fraction form
    40,403.58/55,760.82 = 22,498.58/x
  3. Step 3: Cross multiply
    40,403.58x = 55,760.82 × 22,498.58
  4. Step 4: Simplify right side
    40,403.58x = 1,254,539,213.39
  5. Step 5: Solve for x
    x = 1,254,539,213.39/40,403.58
  6. Step 6: Final answer
    x = 31,050.20

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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.