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Finding the Fourth Proportional to 61,671.64, 92,490.66 and 17,295.64

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Solution

The fourth proportional to 61,671.64, 92,490.66 and 17,295.64 is: 25,938.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,671.64 : 92,490.66 = 17,295.64 : x
  2. Step 2: Convert to fraction form
    61,671.64/92,490.66 = 17,295.64/x
  3. Step 3: Cross multiply
    61,671.64x = 92,490.66 × 17,295.64
  4. Step 4: Simplify right side
    61,671.64x = 1,599,685,158.72
  5. Step 5: Solve for x
    x = 1,599,685,158.72/61,671.64
  6. Step 6: Final answer
    x = 25,938.75

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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.