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Finding the Fourth Proportional to 5,393.82, 8,047.41 and 4,801.80

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Solution

The fourth proportional to 5,393.82, 8,047.41 and 4,801.80 is: 7,164.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.82 : 8,047.41 = 4,801.80 : x
  2. Step 2: Convert to fraction form
    5,393.82/8,047.41 = 4,801.80/x
  3. Step 3: Cross multiply
    5,393.82x = 8,047.41 × 4,801.80
  4. Step 4: Simplify right side
    5,393.82x = 38,642,053.34
  5. Step 5: Solve for x
    x = 38,642,053.34/5,393.82
  6. Step 6: Final answer
    x = 7,164.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.