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Finding the Fourth Proportional to 61,005.94, 91,506.22 and 16,632.70

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Solution

The fourth proportional to 61,005.94, 91,506.22 and 16,632.70 is: 24,948.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,005.94 : 91,506.22 = 16,632.70 : x
  2. Step 2: Convert to fraction form
    61,005.94/91,506.22 = 16,632.70/x
  3. Step 3: Cross multiply
    61,005.94x = 91,506.22 × 16,632.70
  4. Step 4: Simplify right side
    61,005.94x = 1,521,995,505.39
  5. Step 5: Solve for x
    x = 1,521,995,505.39/61,005.94
  6. Step 6: Final answer
    x = 24,948.32

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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.