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Finding the Fourth Proportional to 10,668.63, 16,003.02 and 6,994.13

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Solution

The fourth proportional to 10,668.63, 16,003.02 and 6,994.13 is: 10,491.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.63 : 16,003.02 = 6,994.13 : x
  2. Step 2: Convert to fraction form
    10,668.63/16,003.02 = 6,994.13/x
  3. Step 3: Cross multiply
    10,668.63x = 16,003.02 × 6,994.13
  4. Step 4: Simplify right side
    10,668.63x = 111,927,122.26
  5. Step 5: Solve for x
    x = 111,927,122.26/10,668.63
  6. Step 6: Final answer
    x = 10,491.24

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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.