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Finding the Fourth Proportional to 8,743.01, 12,065.34 and 4,764.11

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Solution

The fourth proportional to 8,743.01, 12,065.34 and 4,764.11 is: 6,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.01 : 12,065.34 = 4,764.11 : x
  2. Step 2: Convert to fraction form
    8,743.01/12,065.34 = 4,764.11/x
  3. Step 3: Cross multiply
    8,743.01x = 12,065.34 × 4,764.11
  4. Step 4: Simplify right side
    8,743.01x = 57,480,546.62
  5. Step 5: Solve for x
    x = 57,480,546.62/8,743.01
  6. Step 6: Final answer
    x = 6,574.46

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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.