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Finding the Fourth Proportional to 62,557.56, 86,328.18 and 34,263

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Solution

The fourth proportional to 62,557.56, 86,328.18 and 34,263 is: 47,282.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,557.56 : 86,328.18 = 34,263 : x
  2. Step 2: Convert to fraction form
    62,557.56/86,328.18 = 34,263/x
  3. Step 3: Cross multiply
    62,557.56x = 86,328.18 × 34,263
  4. Step 4: Simplify right side
    62,557.56x = 2,957,862,431.34
  5. Step 5: Solve for x
    x = 2,957,862,431.34/62,557.56
  6. Step 6: Final answer
    x = 47,282.25

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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.