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Finding the Fourth Proportional to 40,392.48, 55,737.24 and 22,486.08

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Solution

The fourth proportional to 40,392.48, 55,737.24 and 22,486.08 is: 31,028.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,392.48 : 55,737.24 = 22,486.08 : x
  2. Step 2: Convert to fraction form
    40,392.48/55,737.24 = 22,486.08/x
  3. Step 3: Cross multiply
    40,392.48x = 55,737.24 × 22,486.08
  4. Step 4: Simplify right side
    40,392.48x = 1,253,312,037.62
  5. Step 5: Solve for x
    x = 1,253,312,037.62/40,392.48
  6. Step 6: Final answer
    x = 31,028.35

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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.