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Finding the Fourth Proportional to 17,095.80, 25,650.90 and 9,310.20

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Solution

The fourth proportional to 17,095.80, 25,650.90 and 9,310.20 is: 13,969.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,095.80 : 25,650.90 = 9,310.20 : x
  2. Step 2: Convert to fraction form
    17,095.80/25,650.90 = 9,310.20/x
  3. Step 3: Cross multiply
    17,095.80x = 25,650.90 × 9,310.20
  4. Step 4: Simplify right side
    17,095.80x = 238,815,009.18
  5. Step 5: Solve for x
    x = 238,815,009.18/17,095.80
  6. Step 6: Final answer
    x = 13,969.22

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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.