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Finding the Fourth Proportional to 25,411.84, 34,995.84 and 22,872.32

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Solution

The fourth proportional to 25,411.84, 34,995.84 and 22,872.32 is: 31,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,411.84 : 34,995.84 = 22,872.32 : x
  2. Step 2: Convert to fraction form
    25,411.84/34,995.84 = 22,872.32/x
  3. Step 3: Cross multiply
    25,411.84x = 34,995.84 × 22,872.32
  4. Step 4: Simplify right side
    25,411.84x = 800,436,051.15
  5. Step 5: Solve for x
    x = 800,436,051.15/25,411.84
  6. Step 6: Final answer
    x = 31,498.55

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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.