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Finding the Fourth Proportional to 4,681.66, 7,016.27 and 2,485.66

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Solution

The fourth proportional to 4,681.66, 7,016.27 and 2,485.66 is: 3,725.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,681.66 : 7,016.27 = 2,485.66 : x
  2. Step 2: Convert to fraction form
    4,681.66/7,016.27 = 2,485.66/x
  3. Step 3: Cross multiply
    4,681.66x = 7,016.27 × 2,485.66
  4. Step 4: Simplify right side
    4,681.66x = 17,440,061.69
  5. Step 5: Solve for x
    x = 17,440,061.69/4,681.66
  6. Step 6: Final answer
    x = 3,725.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.