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Finding the Fourth Proportional to 8,757.77, 13,136.28 and 4,076.17

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Solution

The fourth proportional to 8,757.77, 13,136.28 and 4,076.17 is: 6,114.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757.77 : 13,136.28 = 4,076.17 : x
  2. Step 2: Convert to fraction form
    8,757.77/13,136.28 = 4,076.17/x
  3. Step 3: Cross multiply
    8,757.77x = 13,136.28 × 4,076.17
  4. Step 4: Simplify right side
    8,757.77x = 53,545,688.50
  5. Step 5: Solve for x
    x = 53,545,688.50/8,757.77
  6. Step 6: Final answer
    x = 6,114.08

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1.5x scale

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.