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Finding the Fourth Proportional to 10,691.66, 14,754.50 and 5,975.93

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Solution

The fourth proportional to 10,691.66, 14,754.50 and 5,975.93 is: 8,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691.66 : 14,754.50 = 5,975.93 : x
  2. Step 2: Convert to fraction form
    10,691.66/14,754.50 = 5,975.93/x
  3. Step 3: Cross multiply
    10,691.66x = 14,754.50 × 5,975.93
  4. Step 4: Simplify right side
    10,691.66x = 88,171,911.01
  5. Step 5: Solve for x
    x = 88,171,911.01/10,691.66
  6. Step 6: Final answer
    x = 8,246.80

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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.