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Finding the Fourth Proportional to 17,351.20, 26,026.80 and 6,259.60

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Solution

The fourth proportional to 17,351.20, 26,026.80 and 6,259.60 is: 9,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,351.20 : 26,026.80 = 6,259.60 : x
  2. Step 2: Convert to fraction form
    17,351.20/26,026.80 = 6,259.60/x
  3. Step 3: Cross multiply
    17,351.20x = 26,026.80 × 6,259.60
  4. Step 4: Simplify right side
    17,351.20x = 162,917,357.28
  5. Step 5: Solve for x
    x = 162,917,357.28/17,351.20
  6. Step 6: Final answer
    x = 9,389.40

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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.