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Finding the Fourth Proportional to 7,133.08, 9,843.48 and 3,946.29

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Solution

The fourth proportional to 7,133.08, 9,843.48 and 3,946.29 is: 5,445.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133.08 : 9,843.48 = 3,946.29 : x
  2. Step 2: Convert to fraction form
    7,133.08/9,843.48 = 3,946.29/x
  3. Step 3: Cross multiply
    7,133.08x = 9,843.48 × 3,946.29
  4. Step 4: Simplify right side
    7,133.08x = 38,845,226.69
  5. Step 5: Solve for x
    x = 38,845,226.69/7,133.08
  6. Step 6: Final answer
    x = 5,445.79

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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.