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Finding the Fourth Proportional to 16,668.67, 24,988.29 and 6,287.71

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Solution

The fourth proportional to 16,668.67, 24,988.29 and 6,287.71 is: 9,426.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,668.67 : 24,988.29 = 6,287.71 : x
  2. Step 2: Convert to fraction form
    16,668.67/24,988.29 = 6,287.71/x
  3. Step 3: Cross multiply
    16,668.67x = 24,988.29 × 6,287.71
  4. Step 4: Simplify right side
    16,668.67x = 157,119,120.92
  5. Step 5: Solve for x
    x = 157,119,120.92/16,668.67
  6. Step 6: Final answer
    x = 9,426.01

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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.