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Finding the Fourth Proportional to 8,792.55, 12,133.93 and 4,813.65

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Solution

The fourth proportional to 8,792.55, 12,133.93 and 4,813.65 is: 6,642.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.55 : 12,133.93 = 4,813.65 : x
  2. Step 2: Convert to fraction form
    8,792.55/12,133.93 = 4,813.65/x
  3. Step 3: Cross multiply
    8,792.55x = 12,133.93 × 4,813.65
  4. Step 4: Simplify right side
    8,792.55x = 58,408,431.47
  5. Step 5: Solve for x
    x = 58,408,431.47/8,792.55
  6. Step 6: Final answer
    x = 6,642.95

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.