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Finding the Fourth Proportional to 37,677.25, 51,994.74 and 20,910.25

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Solution

The fourth proportional to 37,677.25, 51,994.74 and 20,910.25 is: 28,856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,677.25 : 51,994.74 = 20,910.25 : x
  2. Step 2: Convert to fraction form
    37,677.25/51,994.74 = 20,910.25/x
  3. Step 3: Cross multiply
    37,677.25x = 51,994.74 × 20,910.25
  4. Step 4: Simplify right side
    37,677.25x = 1,087,223,012.09
  5. Step 5: Solve for x
    x = 1,087,223,012.09/37,677.25
  6. Step 6: Final answer
    x = 28,856.22

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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.