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Finding the Fourth Proportional to 58,464, 87,652.20 and 18,997.56

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Solution

The fourth proportional to 58,464, 87,652.20 and 18,997.56 is: 28,482.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,464 : 87,652.20 = 18,997.56 : x
  2. Step 2: Convert to fraction form
    58,464/87,652.20 = 18,997.56/x
  3. Step 3: Cross multiply
    58,464x = 87,652.20 × 18,997.56
  4. Step 4: Simplify right side
    58,464x = 1,665,177,928.63
  5. Step 5: Solve for x
    x = 1,665,177,928.63/58,464
  6. Step 6: Final answer
    x = 28,482.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.