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Finding the Fourth Proportional to 10,632.33, 15,917.74 and 8,010.90

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Solution

The fourth proportional to 10,632.33, 15,917.74 and 8,010.90 is: 11,993.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,632.33 : 15,917.74 = 8,010.90 : x
  2. Step 2: Convert to fraction form
    10,632.33/15,917.74 = 8,010.90/x
  3. Step 3: Cross multiply
    10,632.33x = 15,917.74 × 8,010.90
  4. Step 4: Simplify right side
    10,632.33x = 127,515,403.34
  5. Step 5: Solve for x
    x = 127,515,403.34/10,632.33
  6. Step 6: Final answer
    x = 11,993.18

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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.