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Finding the Fourth Proportional to 17,551.70, 26,327.55 and 17,206.10

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Solution

The fourth proportional to 17,551.70, 26,327.55 and 17,206.10 is: 25,809.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,551.70 : 26,327.55 = 17,206.10 : x
  2. Step 2: Convert to fraction form
    17,551.70/26,327.55 = 17,206.10/x
  3. Step 3: Cross multiply
    17,551.70x = 26,327.55 × 17,206.10
  4. Step 4: Simplify right side
    17,551.70x = 452,994,458.06
  5. Step 5: Solve for x
    x = 452,994,458.06/17,551.70
  6. Step 6: Final answer
    x = 25,809.15

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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.