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Finding the Fourth Proportional to 61,794.65, 92,438.16 and 49,339.02

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Solution

The fourth proportional to 61,794.65, 92,438.16 and 49,339.02 is: 73,805.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,794.65 : 92,438.16 = 49,339.02 : x
  2. Step 2: Convert to fraction form
    61,794.65/92,438.16 = 49,339.02/x
  3. Step 3: Cross multiply
    61,794.65x = 92,438.16 × 49,339.02
  4. Step 4: Simplify right side
    61,794.65x = 4,560,808,664.16
  5. Step 5: Solve for x
    x = 4,560,808,664.16/61,794.65
  6. Step 6: Final answer
    x = 73,805.89

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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.