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Finding the Fourth Proportional to 11,619.01, 17,428.54 and 4,600.68

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Solution

The fourth proportional to 11,619.01, 17,428.54 and 4,600.68 is: 6,901.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,619.01 : 17,428.54 = 4,600.68 : x
  2. Step 2: Convert to fraction form
    11,619.01/17,428.54 = 4,600.68/x
  3. Step 3: Cross multiply
    11,619.01x = 17,428.54 × 4,600.68
  4. Step 4: Simplify right side
    11,619.01x = 80,183,048.26
  5. Step 5: Solve for x
    x = 80,183,048.26/11,619.01
  6. Step 6: Final answer
    x = 6,901.02

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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.