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Finding the Fourth Proportional to 17,919.61, 26,871.02 and 9,598.09

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Solution

The fourth proportional to 17,919.61, 26,871.02 and 9,598.09 is: 14,392.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,919.61 : 26,871.02 = 9,598.09 : x
  2. Step 2: Convert to fraction form
    17,919.61/26,871.02 = 9,598.09/x
  3. Step 3: Cross multiply
    17,919.61x = 26,871.02 × 9,598.09
  4. Step 4: Simplify right side
    17,919.61x = 257,910,420.36
  5. Step 5: Solve for x
    x = 257,910,420.36/17,919.61
  6. Step 6: Final answer
    x = 14,392.64

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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.