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Finding the Fourth Proportional to 17,705.74, 26,558.74 and 6,612.33

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Solution

The fourth proportional to 17,705.74, 26,558.74 and 6,612.33 is: 9,918.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,705.74 : 26,558.74 = 6,612.33 : x
  2. Step 2: Convert to fraction form
    17,705.74/26,558.74 = 6,612.33/x
  3. Step 3: Cross multiply
    17,705.74x = 26,558.74 × 6,612.33
  4. Step 4: Simplify right side
    17,705.74x = 175,615,223.93
  5. Step 5: Solve for x
    x = 175,615,223.93/17,705.74
  6. Step 6: Final answer
    x = 9,918.55

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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.