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Finding the Fourth Proportional to 9,009.77, 13,516.62 and 2,770.23

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Solution

The fourth proportional to 9,009.77, 13,516.62 and 2,770.23 is: 4,155.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,009.77 : 13,516.62 = 2,770.23 : x
  2. Step 2: Convert to fraction form
    9,009.77/13,516.62 = 2,770.23/x
  3. Step 3: Cross multiply
    9,009.77x = 13,516.62 × 2,770.23
  4. Step 4: Simplify right side
    9,009.77x = 37,444,202.10
  5. Step 5: Solve for x
    x = 37,444,202.10/9,009.77
  6. Step 6: Final answer
    x = 4,155.96

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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.