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Finding the Fourth Proportional to 61,578.94, 92,373.58 and 17,206.13

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Solution

The fourth proportional to 61,578.94, 92,373.58 and 17,206.13 is: 25,810.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,578.94 : 92,373.58 = 17,206.13 : x
  2. Step 2: Convert to fraction form
    61,578.94/92,373.58 = 17,206.13/x
  3. Step 3: Cross multiply
    61,578.94x = 92,373.58 × 17,206.13
  4. Step 4: Simplify right side
    61,578.94x = 1,589,391,826.05
  5. Step 5: Solve for x
    x = 1,589,391,826.05/61,578.94
  6. Step 6: Final answer
    x = 25,810.64

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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.