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Finding the Fourth Proportional to 37,375.53, 51,578.63 and 20,379.63

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Solution

The fourth proportional to 37,375.53, 51,578.63 and 20,379.63 is: 28,124.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,375.53 : 51,578.63 = 20,379.63 : x
  2. Step 2: Convert to fraction form
    37,375.53/51,578.63 = 20,379.63/x
  3. Step 3: Cross multiply
    37,375.53x = 51,578.63 × 20,379.63
  4. Step 4: Simplify right side
    37,375.53x = 1,051,153,293.41
  5. Step 5: Solve for x
    x = 1,051,153,293.41/37,375.53
  6. Step 6: Final answer
    x = 28,124.10

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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.