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Finding the Fourth Proportional to 9,792.93, 14,691.93 and 4,245

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Solution

The fourth proportional to 9,792.93, 14,691.93 and 4,245 is: 6,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,792.93 : 14,691.93 = 4,245 : x
  2. Step 2: Convert to fraction form
    9,792.93/14,691.93 = 4,245/x
  3. Step 3: Cross multiply
    9,792.93x = 14,691.93 × 4,245
  4. Step 4: Simplify right side
    9,792.93x = 62,367,242.85
  5. Step 5: Solve for x
    x = 62,367,242.85/9,792.93
  6. Step 6: Final answer
    x = 6,368.60

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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.