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Finding the Fourth Proportional to 17,207.48, 25,820.94 and 7,345.84

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Solution

The fourth proportional to 17,207.48, 25,820.94 and 7,345.84 is: 11,022.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,207.48 : 25,820.94 = 7,345.84 : x
  2. Step 2: Convert to fraction form
    17,207.48/25,820.94 = 7,345.84/x
  3. Step 3: Cross multiply
    17,207.48x = 25,820.94 × 7,345.84
  4. Step 4: Simplify right side
    17,207.48x = 189,676,493.89
  5. Step 5: Solve for x
    x = 189,676,493.89/17,207.48
  6. Step 6: Final answer
    x = 11,022.91

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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.