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Finding the Fourth Proportional to 11,605.01, 16,014.80 and 6,299.70

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Solution

The fourth proportional to 11,605.01, 16,014.80 and 6,299.70 is: 8,693.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.01 : 16,014.80 = 6,299.70 : x
  2. Step 2: Convert to fraction form
    11,605.01/16,014.80 = 6,299.70/x
  3. Step 3: Cross multiply
    11,605.01x = 16,014.80 × 6,299.70
  4. Step 4: Simplify right side
    11,605.01x = 100,888,404.06
  5. Step 5: Solve for x
    x = 100,888,404.06/11,605.01
  6. Step 6: Final answer
    x = 8,693.53

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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.