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Finding the Fourth Proportional to 17,924.61, 26,866.76 and 8,697.09

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Solution

The fourth proportional to 17,924.61, 26,866.76 and 8,697.09 is: 13,035.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,924.61 : 26,866.76 = 8,697.09 : x
  2. Step 2: Convert to fraction form
    17,924.61/26,866.76 = 8,697.09/x
  3. Step 3: Cross multiply
    17,924.61x = 26,866.76 × 8,697.09
  4. Step 4: Simplify right side
    17,924.61x = 233,662,586.24
  5. Step 5: Solve for x
    x = 233,662,586.24/17,924.61
  6. Step 6: Final answer
    x = 13,035.85

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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.