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Finding the Fourth Proportional to 10,668.88, 14,717.14 and 7,486.94

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Solution

The fourth proportional to 10,668.88, 14,717.14 and 7,486.94 is: 10,327.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.88 : 14,717.14 = 7,486.94 : x
  2. Step 2: Convert to fraction form
    10,668.88/14,717.14 = 7,486.94/x
  3. Step 3: Cross multiply
    10,668.88x = 14,717.14 × 7,486.94
  4. Step 4: Simplify right side
    10,668.88x = 110,186,344.15
  5. Step 5: Solve for x
    x = 110,186,344.15/10,668.88
  6. Step 6: Final answer
    x = 10,327.83

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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.