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Finding the Fourth Proportional to 40,392.83, 55,741.02 and 22,487.84

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Solution

The fourth proportional to 40,392.83, 55,741.02 and 22,487.84 is: 31,032.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,392.83 : 55,741.02 = 22,487.84 : x
  2. Step 2: Convert to fraction form
    40,392.83/55,741.02 = 22,487.84/x
  3. Step 3: Cross multiply
    40,392.83x = 55,741.02 × 22,487.84
  4. Step 4: Simplify right side
    40,392.83x = 1,253,494,985.19
  5. Step 5: Solve for x
    x = 1,253,494,985.19/40,392.83
  6. Step 6: Final answer
    x = 31,032.61

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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.