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Finding the Fourth Proportional to 5,367.66, 7,407.09 and 3,009.84

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Solution

The fourth proportional to 5,367.66, 7,407.09 and 3,009.84 is: 4,153.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,367.66 : 7,407.09 = 3,009.84 : x
  2. Step 2: Convert to fraction form
    5,367.66/7,407.09 = 3,009.84/x
  3. Step 3: Cross multiply
    5,367.66x = 7,407.09 × 3,009.84
  4. Step 4: Simplify right side
    5,367.66x = 22,294,155.77
  5. Step 5: Solve for x
    x = 22,294,155.77/5,367.66
  6. Step 6: Final answer
    x = 4,153.42

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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.