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Finding the Fourth Proportional to 61,042.65, 91,549.62 and 16,658.86

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Solution

The fourth proportional to 61,042.65, 91,549.62 and 16,658.86 is: 24,984.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,042.65 : 91,549.62 = 16,658.86 : x
  2. Step 2: Convert to fraction form
    61,042.65/91,549.62 = 16,658.86/x
  3. Step 3: Cross multiply
    61,042.65x = 91,549.62 × 16,658.86
  4. Step 4: Simplify right side
    61,042.65x = 1,525,112,302.63
  5. Step 5: Solve for x
    x = 1,525,112,302.63/61,042.65
  6. Step 6: Final answer
    x = 24,984.37

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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.