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Finding the Fourth Proportional to 40,462.58, 55,835.52 and 22,558.58

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Solution

The fourth proportional to 40,462.58, 55,835.52 and 22,558.58 is: 31,129.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,462.58 : 55,835.52 = 22,558.58 : x
  2. Step 2: Convert to fraction form
    40,462.58/55,835.52 = 22,558.58/x
  3. Step 3: Cross multiply
    40,462.58x = 55,835.52 × 22,558.58
  4. Step 4: Simplify right side
    40,462.58x = 1,259,570,044.76
  5. Step 5: Solve for x
    x = 1,259,570,044.76/40,462.58
  6. Step 6: Final answer
    x = 31,129.26

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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.