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Finding the Fourth Proportional to 5,239.47, 7,233.47 and 3,473.48

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Solution

The fourth proportional to 5,239.47, 7,233.47 and 3,473.48 is: 4,795.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.47 : 7,233.47 = 3,473.48 : x
  2. Step 2: Convert to fraction form
    5,239.47/7,233.47 = 3,473.48/x
  3. Step 3: Cross multiply
    5,239.47x = 7,233.47 × 3,473.48
  4. Step 4: Simplify right side
    5,239.47x = 25,125,259.84
  5. Step 5: Solve for x
    x = 25,125,259.84/5,239.47
  6. Step 6: Final answer
    x = 4,795.38

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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.