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Finding the Fourth Proportional to 58,398.95, 87,612.99 and 16,845.95

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Solution

The fourth proportional to 58,398.95, 87,612.99 and 16,845.95 is: 25,273.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,398.95 : 87,612.99 = 16,845.95 : x
  2. Step 2: Convert to fraction form
    58,398.95/87,612.99 = 16,845.95/x
  3. Step 3: Cross multiply
    58,398.95x = 87,612.99 × 16,845.95
  4. Step 4: Simplify right side
    58,398.95x = 1,475,923,610.83
  5. Step 5: Solve for x
    x = 1,475,923,610.83/58,398.95
  6. Step 6: Final answer
    x = 25,273.12

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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.