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Finding the Fourth Proportional to 34,652.61, 47,820.38 and 18,736.99

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Solution

The fourth proportional to 34,652.61, 47,820.38 and 18,736.99 is: 25,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,652.61 : 47,820.38 = 18,736.99 : x
  2. Step 2: Convert to fraction form
    34,652.61/47,820.38 = 18,736.99/x
  3. Step 3: Cross multiply
    34,652.61x = 47,820.38 × 18,736.99
  4. Step 4: Simplify right side
    34,652.61x = 896,009,768.62
  5. Step 5: Solve for x
    x = 896,009,768.62/34,652.61
  6. Step 6: Final answer
    x = 25,856.92

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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.