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Finding the Fourth Proportional to 25,310.88, 34,903.04 and 16,809.92

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Solution

The fourth proportional to 25,310.88, 34,903.04 and 16,809.92 is: 23,180.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,310.88 : 34,903.04 = 16,809.92 : x
  2. Step 2: Convert to fraction form
    25,310.88/34,903.04 = 16,809.92/x
  3. Step 3: Cross multiply
    25,310.88x = 34,903.04 × 16,809.92
  4. Step 4: Simplify right side
    25,310.88x = 586,717,310.16
  5. Step 5: Solve for x
    x = 586,717,310.16/25,310.88
  6. Step 6: Final answer
    x = 23,180.44

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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.