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Finding the Fourth Proportional to 17,875.59, 26,786.02 and 9,556.78

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Solution

The fourth proportional to 17,875.59, 26,786.02 and 9,556.78 is: 14,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,875.59 : 26,786.02 = 9,556.78 : x
  2. Step 2: Convert to fraction form
    17,875.59/26,786.02 = 9,556.78/x
  3. Step 3: Cross multiply
    17,875.59x = 26,786.02 × 9,556.78
  4. Step 4: Simplify right side
    17,875.59x = 255,988,100.22
  5. Step 5: Solve for x
    x = 255,988,100.22/17,875.59
  6. Step 6: Final answer
    x = 14,320.54

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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.