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Finding the Fourth Proportional to 40,329.80, 55,633.80 and 23,967.74

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Solution

The fourth proportional to 40,329.80, 55,633.80 and 23,967.74 is: 33,062.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,329.80 : 55,633.80 = 23,967.74 : x
  2. Step 2: Convert to fraction form
    40,329.80/55,633.80 = 23,967.74/x
  3. Step 3: Cross multiply
    40,329.80x = 55,633.80 × 23,967.74
  4. Step 4: Simplify right side
    40,329.80x = 1,333,416,453.61
  5. Step 5: Solve for x
    x = 1,333,416,453.61/40,329.80
  6. Step 6: Final answer
    x = 33,062.81

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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.