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Finding the Fourth Proportional to 16,668.36, 23,002.02 and 9,216.36

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Solution

The fourth proportional to 16,668.36, 23,002.02 and 9,216.36 is: 12,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,668.36 : 23,002.02 = 9,216.36 : x
  2. Step 2: Convert to fraction form
    16,668.36/23,002.02 = 9,216.36/x
  3. Step 3: Cross multiply
    16,668.36x = 23,002.02 × 9,216.36
  4. Step 4: Simplify right side
    16,668.36x = 211,994,897.05
  5. Step 5: Solve for x
    x = 211,994,897.05/16,668.36
  6. Step 6: Final answer
    x = 12,718.40

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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.