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Finding the Fourth Proportional to 17,699.78, 26,553.47 and 5,852.92

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Solution

The fourth proportional to 17,699.78, 26,553.47 and 5,852.92 is: 8,780.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,699.78 : 26,553.47 = 5,852.92 : x
  2. Step 2: Convert to fraction form
    17,699.78/26,553.47 = 5,852.92/x
  3. Step 3: Cross multiply
    17,699.78x = 26,553.47 × 5,852.92
  4. Step 4: Simplify right side
    17,699.78x = 155,415,335.63
  5. Step 5: Solve for x
    x = 155,415,335.63/17,699.78
  6. Step 6: Final answer
    x = 8,780.64

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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.