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Finding the Fourth Proportional to 25,651.84, 35,401.11 and 14,321.32

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Solution

The fourth proportional to 25,651.84, 35,401.11 and 14,321.32 is: 19,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,651.84 : 35,401.11 = 14,321.32 : x
  2. Step 2: Convert to fraction form
    25,651.84/35,401.11 = 14,321.32/x
  3. Step 3: Cross multiply
    25,651.84x = 35,401.11 × 14,321.32
  4. Step 4: Simplify right side
    25,651.84x = 506,990,632.94
  5. Step 5: Solve for x
    x = 506,990,632.94/25,651.84
  6. Step 6: Final answer
    x = 19,764.30

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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.