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Finding the Fourth Proportional to 40,498.79, 55,890.05 and 22,593.79

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Solution

The fourth proportional to 40,498.79, 55,890.05 and 22,593.79 is: 31,180.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,498.79 : 55,890.05 = 22,593.79 : x
  2. Step 2: Convert to fraction form
    40,498.79/55,890.05 = 22,593.79/x
  3. Step 3: Cross multiply
    40,498.79x = 55,890.05 × 22,593.79
  4. Step 4: Simplify right side
    40,498.79x = 1,262,767,822.39
  5. Step 5: Solve for x
    x = 1,262,767,822.39/40,498.79
  6. Step 6: Final answer
    x = 31,180.39

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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.