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Finding the Fourth Proportional to 17,746.99, 26,575.02 and 17,221.42

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Solution

The fourth proportional to 17,746.99, 26,575.02 and 17,221.42 is: 25,788.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,746.99 : 26,575.02 = 17,221.42 : x
  2. Step 2: Convert to fraction form
    17,746.99/26,575.02 = 17,221.42/x
  3. Step 3: Cross multiply
    17,746.99x = 26,575.02 × 17,221.42
  4. Step 4: Simplify right side
    17,746.99x = 457,659,580.93
  5. Step 5: Solve for x
    x = 457,659,580.93/17,746.99
  6. Step 6: Final answer
    x = 25,788.01

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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.