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Finding the Fourth Proportional to 17,205.98, 25,801.40 and 8,890.70

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Solution

The fourth proportional to 17,205.98, 25,801.40 and 8,890.70 is: 13,332.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,205.98 : 25,801.40 = 8,890.70 : x
  2. Step 2: Convert to fraction form
    17,205.98/25,801.40 = 8,890.70/x
  3. Step 3: Cross multiply
    17,205.98x = 25,801.40 × 8,890.70
  4. Step 4: Simplify right side
    17,205.98x = 229,392,506.98
  5. Step 5: Solve for x
    x = 229,392,506.98/17,205.98
  6. Step 6: Final answer
    x = 13,332.14

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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.