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Finding the Fourth Proportional to 35,625.87, 53,408.63 and 15,620.20

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Solution

The fourth proportional to 35,625.87, 53,408.63 and 15,620.20 is: 23,417.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,625.87 : 53,408.63 = 15,620.20 : x
  2. Step 2: Convert to fraction form
    35,625.87/53,408.63 = 15,620.20/x
  3. Step 3: Cross multiply
    35,625.87x = 53,408.63 × 15,620.20
  4. Step 4: Simplify right side
    35,625.87x = 834,253,535.70
  5. Step 5: Solve for x
    x = 834,253,535.70/35,625.87
  6. Step 6: Final answer
    x = 23,417.07

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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.