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Finding the Fourth Proportional to 17,756.96, 26,590.02 and 17,231.48

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Solution

The fourth proportional to 17,756.96, 26,590.02 and 17,231.48 is: 25,803.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,756.96 : 26,590.02 = 17,231.48 : x
  2. Step 2: Convert to fraction form
    17,756.96/26,590.02 = 17,231.48/x
  3. Step 3: Cross multiply
    17,756.96x = 26,590.02 × 17,231.48
  4. Step 4: Simplify right side
    17,756.96x = 458,185,397.83
  5. Step 5: Solve for x
    x = 458,185,397.83/17,756.96
  6. Step 6: Final answer
    x = 25,803.14

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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.