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Finding the Fourth Proportional to 16,899.30, 25,348.95 and 16,899.30

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Solution

The fourth proportional to 16,899.30, 25,348.95 and 16,899.30 is: 25,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899.30 : 25,348.95 = 16,899.30 : x
  2. Step 2: Convert to fraction form
    16,899.30/25,348.95 = 16,899.30/x
  3. Step 3: Cross multiply
    16,899.30x = 25,348.95 × 16,899.30
  4. Step 4: Simplify right side
    16,899.30x = 428,379,510.74
  5. Step 5: Solve for x
    x = 428,379,510.74/16,899.30
  6. Step 6: Final answer
    x = 25,348.95

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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.