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Finding the Fourth Proportional to 38,356.66, 57,555.66 and 16,185.40

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Solution

The fourth proportional to 38,356.66, 57,555.66 and 16,185.40 is: 24,286.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,356.66 : 57,555.66 = 16,185.40 : x
  2. Step 2: Convert to fraction form
    38,356.66/57,555.66 = 16,185.40/x
  3. Step 3: Cross multiply
    38,356.66x = 57,555.66 × 16,185.40
  4. Step 4: Simplify right side
    38,356.66x = 931,561,379.36
  5. Step 5: Solve for x
    x = 931,561,379.36/38,356.66
  6. Step 6: Final answer
    x = 24,286.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.