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Finding the Fourth Proportional to 23,820.84, 32,834.88 and 18,776.88

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Solution

The fourth proportional to 23,820.84, 32,834.88 and 18,776.88 is: 25,882.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,820.84 : 32,834.88 = 18,776.88 : x
  2. Step 2: Convert to fraction form
    23,820.84/32,834.88 = 18,776.88/x
  3. Step 3: Cross multiply
    23,820.84x = 32,834.88 × 18,776.88
  4. Step 4: Simplify right side
    23,820.84x = 616,536,601.57
  5. Step 5: Solve for x
    x = 616,536,601.57/23,820.84
  6. Step 6: Final answer
    x = 25,882.24

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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.