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Finding the Fourth Proportional to 62,652.30, 86,459.80 and 33,971.68

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Solution

The fourth proportional to 62,652.30, 86,459.80 and 33,971.68 is: 46,880.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,652.30 : 86,459.80 = 33,971.68 : x
  2. Step 2: Convert to fraction form
    62,652.30/86,459.80 = 33,971.68/x
  3. Step 3: Cross multiply
    62,652.30x = 86,459.80 × 33,971.68
  4. Step 4: Simplify right side
    62,652.30x = 2,937,184,658.46
  5. Step 5: Solve for x
    x = 2,937,184,658.46/62,652.30
  6. Step 6: Final answer
    x = 46,880.72

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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.