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Finding the Fourth Proportional to 8,601, 11,869.30 and 4,875

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Solution

The fourth proportional to 8,601, 11,869.30 and 4,875 is: 6,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601 : 11,869.30 = 4,875 : x
  2. Step 2: Convert to fraction form
    8,601/11,869.30 = 4,875/x
  3. Step 3: Cross multiply
    8,601x = 11,869.30 × 4,875
  4. Step 4: Simplify right side
    8,601x = 57,862,837.50
  5. Step 5: Solve for x
    x = 57,862,837.50/8,601
  6. Step 6: Final answer
    x = 6,727.45

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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.