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Finding the Fourth Proportional to 61,356.67, 92,037.06 and 16,979.71

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Solution

The fourth proportional to 61,356.67, 92,037.06 and 16,979.71 is: 25,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,356.67 : 92,037.06 = 16,979.71 : x
  2. Step 2: Convert to fraction form
    61,356.67/92,037.06 = 16,979.71/x
  3. Step 3: Cross multiply
    61,356.67x = 92,037.06 × 16,979.71
  4. Step 4: Simplify right side
    61,356.67x = 1,562,762,588.05
  5. Step 5: Solve for x
    x = 1,562,762,588.05/61,356.67
  6. Step 6: Final answer
    x = 25,470.13

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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.