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Finding the Fourth Proportional to 7,659.82, 10,570.20 and 4,302.58

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Solution

The fourth proportional to 7,659.82, 10,570.20 and 4,302.58 is: 5,937.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659.82 : 10,570.20 = 4,302.58 : x
  2. Step 2: Convert to fraction form
    7,659.82/10,570.20 = 4,302.58/x
  3. Step 3: Cross multiply
    7,659.82x = 10,570.20 × 4,302.58
  4. Step 4: Simplify right side
    7,659.82x = 45,479,131.12
  5. Step 5: Solve for x
    x = 45,479,131.12/7,659.82
  6. Step 6: Final answer
    x = 5,937.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.