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Finding the Fourth Proportional to 62,905.53, 86,808.42 and 34,611.24

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Solution

The fourth proportional to 62,905.53, 86,808.42 and 34,611.24 is: 47,762.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,905.53 : 86,808.42 = 34,611.24 : x
  2. Step 2: Convert to fraction form
    62,905.53/86,808.42 = 34,611.24/x
  3. Step 3: Cross multiply
    62,905.53x = 86,808.42 × 34,611.24
  4. Step 4: Simplify right side
    62,905.53x = 3,004,547,058.64
  5. Step 5: Solve for x
    x = 3,004,547,058.64/62,905.53
  6. Step 6: Final answer
    x = 47,762.84

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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.