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Finding the Fourth Proportional to 55,908.61, 83,833.95 and 16,460.53

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Solution

The fourth proportional to 55,908.61, 83,833.95 and 16,460.53 is: 24,682.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,908.61 : 83,833.95 = 16,460.53 : x
  2. Step 2: Convert to fraction form
    55,908.61/83,833.95 = 16,460.53/x
  3. Step 3: Cross multiply
    55,908.61x = 83,833.95 × 16,460.53
  4. Step 4: Simplify right side
    55,908.61x = 1,379,950,829.82
  5. Step 5: Solve for x
    x = 1,379,950,829.82/55,908.61
  6. Step 6: Final answer
    x = 24,682.26

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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.