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Finding the Fourth Proportional to 16,988.44, 25,460.67 and 9,491.80

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Solution

The fourth proportional to 16,988.44, 25,460.67 and 9,491.80 is: 14,225.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,988.44 : 25,460.67 = 9,491.80 : x
  2. Step 2: Convert to fraction form
    16,988.44/25,460.67 = 9,491.80/x
  3. Step 3: Cross multiply
    16,988.44x = 25,460.67 × 9,491.80
  4. Step 4: Simplify right side
    16,988.44x = 241,667,587.51
  5. Step 5: Solve for x
    x = 241,667,587.51/16,988.44
  6. Step 6: Final answer
    x = 14,225.41

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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.