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Finding the Fourth Proportional to 37,504.90, 51,756.90 and 20,508.88

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Solution

The fourth proportional to 37,504.90, 51,756.90 and 20,508.88 is: 28,302.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,504.90 : 51,756.90 = 20,508.88 : x
  2. Step 2: Convert to fraction form
    37,504.90/51,756.90 = 20,508.88/x
  3. Step 3: Cross multiply
    37,504.90x = 51,756.90 × 20,508.88
  4. Step 4: Simplify right side
    37,504.90x = 1,061,476,051.27
  5. Step 5: Solve for x
    x = 1,061,476,051.27/37,504.90
  6. Step 6: Final answer
    x = 28,302.33

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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.