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Finding the Fourth Proportional to 40,482.66, 55,863.14 and 22,578.68

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Solution

The fourth proportional to 40,482.66, 55,863.14 and 22,578.68 is: 31,156.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,482.66 : 55,863.14 = 22,578.68 : x
  2. Step 2: Convert to fraction form
    40,482.66/55,863.14 = 22,578.68/x
  3. Step 3: Cross multiply
    40,482.66x = 55,863.14 × 22,578.68
  4. Step 4: Simplify right side
    40,482.66x = 1,261,315,961.86
  5. Step 5: Solve for x
    x = 1,261,315,961.86/40,482.66
  6. Step 6: Final answer
    x = 31,156.94

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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.