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Finding the Fourth Proportional to 37,603.71, 51,890.96 and 20,604.57

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Solution

The fourth proportional to 37,603.71, 51,890.96 and 20,604.57 is: 28,433.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,603.71 : 51,890.96 = 20,604.57 : x
  2. Step 2: Convert to fraction form
    37,603.71/51,890.96 = 20,604.57/x
  3. Step 3: Cross multiply
    37,603.71x = 51,890.96 × 20,604.57
  4. Step 4: Simplify right side
    37,603.71x = 1,069,190,814.66
  5. Step 5: Solve for x
    x = 1,069,190,814.66/37,603.71
  6. Step 6: Final answer
    x = 28,433.12

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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.