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Finding the Fourth Proportional to 55,910.63, 83,866.64 and 16,468.54

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Solution

The fourth proportional to 55,910.63, 83,866.64 and 16,468.54 is: 24,703.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,910.63 : 83,866.64 = 16,468.54 : x
  2. Step 2: Convert to fraction form
    55,910.63/83,866.64 = 16,468.54/x
  3. Step 3: Cross multiply
    55,910.63x = 83,866.64 × 16,468.54
  4. Step 4: Simplify right side
    55,910.63x = 1,381,160,823.50
  5. Step 5: Solve for x
    x = 1,381,160,823.50/55,910.63
  6. Step 6: Final answer
    x = 24,703.01

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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.