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Finding the Fourth Proportional to 8,048.78, 11,107.78 and 4,513.12

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Solution

The fourth proportional to 8,048.78, 11,107.78 and 4,513.12 is: 6,228.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,048.78 : 11,107.78 = 4,513.12 : x
  2. Step 2: Convert to fraction form
    8,048.78/11,107.78 = 4,513.12/x
  3. Step 3: Cross multiply
    8,048.78x = 11,107.78 × 4,513.12
  4. Step 4: Simplify right side
    8,048.78x = 50,130,744.07
  5. Step 5: Solve for x
    x = 50,130,744.07/8,048.78
  6. Step 6: Final answer
    x = 6,228.37

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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.