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Finding the Fourth Proportional to 8,792.84, 12,136.82 and 5,069.32

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Solution

The fourth proportional to 8,792.84, 12,136.82 and 5,069.32 is: 6,997.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.84 : 12,136.82 = 5,069.32 : x
  2. Step 2: Convert to fraction form
    8,792.84/12,136.82 = 5,069.32/x
  3. Step 3: Cross multiply
    8,792.84x = 12,136.82 × 5,069.32
  4. Step 4: Simplify right side
    8,792.84x = 61,525,424.36
  5. Step 5: Solve for x
    x = 61,525,424.36/8,792.84
  6. Step 6: Final answer
    x = 6,997.22

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1.5x scale

Why These Related Problems?

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