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Finding the Fourth Proportional to 8,796.23, 12,138.93 and 4,817.51

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Solution

The fourth proportional to 8,796.23, 12,138.93 and 4,817.51 is: 6,648.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.23 : 12,138.93 = 4,817.51 : x
  2. Step 2: Convert to fraction form
    8,796.23/12,138.93 = 4,817.51/x
  3. Step 3: Cross multiply
    8,796.23x = 12,138.93 × 4,817.51
  4. Step 4: Simplify right side
    8,796.23x = 58,479,416.66
  5. Step 5: Solve for x
    x = 58,479,416.66/8,796.23
  6. Step 6: Final answer
    x = 6,648.24

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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.