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Finding the Fourth Proportional to 60,669, 91,003.50 and 16,893

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Solution

The fourth proportional to 60,669, 91,003.50 and 16,893 is: 25,339.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,669 : 91,003.50 = 16,893 : x
  2. Step 2: Convert to fraction form
    60,669/91,003.50 = 16,893/x
  3. Step 3: Cross multiply
    60,669x = 91,003.50 × 16,893
  4. Step 4: Simplify right side
    60,669x = 1,537,322,125.50
  5. Step 5: Solve for x
    x = 1,537,322,125.50/60,669
  6. Step 6: Final answer
    x = 25,339.50

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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.