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Finding the Fourth Proportional to 57,651.51, 86,436.43 and 25,612.99

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Solution

The fourth proportional to 57,651.51, 86,436.43 and 25,612.99 is: 38,401.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,651.51 : 86,436.43 = 25,612.99 : x
  2. Step 2: Convert to fraction form
    57,651.51/86,436.43 = 25,612.99/x
  3. Step 3: Cross multiply
    57,651.51x = 86,436.43 × 25,612.99
  4. Step 4: Simplify right side
    57,651.51x = 2,213,895,137.10
  5. Step 5: Solve for x
    x = 2,213,895,137.10/57,651.51
  6. Step 6: Final answer
    x = 38,401.34

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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.