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Finding the Fourth Proportional to 5,273.47, 7,287.03 and 5,017.28

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Solution

The fourth proportional to 5,273.47, 7,287.03 and 5,017.28 is: 6,933.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.47 : 7,287.03 = 5,017.28 : x
  2. Step 2: Convert to fraction form
    5,273.47/7,287.03 = 5,017.28/x
  3. Step 3: Cross multiply
    5,273.47x = 7,287.03 × 5,017.28
  4. Step 4: Simplify right side
    5,273.47x = 36,561,033.44
  5. Step 5: Solve for x
    x = 36,561,033.44/5,273.47
  6. Step 6: Final answer
    x = 6,933.01

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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.