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Finding the Fourth Proportional to 17,166.70, 25,730.85 and 9,774.70

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Solution

The fourth proportional to 17,166.70, 25,730.85 and 9,774.70 is: 14,651.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,166.70 : 25,730.85 = 9,774.70 : x
  2. Step 2: Convert to fraction form
    17,166.70/25,730.85 = 9,774.70/x
  3. Step 3: Cross multiply
    17,166.70x = 25,730.85 × 9,774.70
  4. Step 4: Simplify right side
    17,166.70x = 251,511,339.50
  5. Step 5: Solve for x
    x = 251,511,339.50/17,166.70
  6. Step 6: Final answer
    x = 14,651.12

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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.