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Finding the Fourth Proportional to 8,463.03, 11,679.44 and 5,320.23

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Solution

The fourth proportional to 8,463.03, 11,679.44 and 5,320.23 is: 7,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.03 : 11,679.44 = 5,320.23 : x
  2. Step 2: Convert to fraction form
    8,463.03/11,679.44 = 5,320.23/x
  3. Step 3: Cross multiply
    8,463.03x = 11,679.44 × 5,320.23
  4. Step 4: Simplify right side
    8,463.03x = 62,137,280.47
  5. Step 5: Solve for x
    x = 62,137,280.47/8,463.03
  6. Step 6: Final answer
    x = 7,342.20

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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.