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Finding the Fourth Proportional to 16,655.36, 22,984.69 and 9,939.69

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Solution

The fourth proportional to 16,655.36, 22,984.69 and 9,939.69 is: 13,716.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,655.36 : 22,984.69 = 9,939.69 : x
  2. Step 2: Convert to fraction form
    16,655.36/22,984.69 = 9,939.69/x
  3. Step 3: Cross multiply
    16,655.36x = 22,984.69 × 9,939.69
  4. Step 4: Simplify right side
    16,655.36x = 228,460,668.50
  5. Step 5: Solve for x
    x = 228,460,668.50/16,655.36
  6. Step 6: Final answer
    x = 13,716.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.