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Finding the Fourth Proportional to 8,792.84, 12,124.98 and 7,538.12

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Solution

The fourth proportional to 8,792.84, 12,124.98 and 7,538.12 is: 10,394.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.84 : 12,124.98 = 7,538.12 : x
  2. Step 2: Convert to fraction form
    8,792.84/12,124.98 = 7,538.12/x
  3. Step 3: Cross multiply
    8,792.84x = 12,124.98 × 7,538.12
  4. Step 4: Simplify right side
    8,792.84x = 91,399,554.24
  5. Step 5: Solve for x
    x = 91,399,554.24/8,792.84
  6. Step 6: Final answer
    x = 10,394.77

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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.