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Finding the Fourth Proportional to 17,657.90, 26,474.02 and 8,293.10

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Solution

The fourth proportional to 17,657.90, 26,474.02 and 8,293.10 is: 12,433.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,657.90 : 26,474.02 = 8,293.10 : x
  2. Step 2: Convert to fraction form
    17,657.90/26,474.02 = 8,293.10/x
  3. Step 3: Cross multiply
    17,657.90x = 26,474.02 × 8,293.10
  4. Step 4: Simplify right side
    17,657.90x = 219,551,695.26
  5. Step 5: Solve for x
    x = 219,551,695.26/17,657.90
  6. Step 6: Final answer
    x = 12,433.62

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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.