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Finding the Fourth Proportional to 6,467.25, 8,928.99 and 5,048.49

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Solution

The fourth proportional to 6,467.25, 8,928.99 and 5,048.49 is: 6,970.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,467.25 : 8,928.99 = 5,048.49 : x
  2. Step 2: Convert to fraction form
    6,467.25/8,928.99 = 5,048.49/x
  3. Step 3: Cross multiply
    6,467.25x = 8,928.99 × 5,048.49
  4. Step 4: Simplify right side
    6,467.25x = 45,077,916.73
  5. Step 5: Solve for x
    x = 45,077,916.73/6,467.25
  6. Step 6: Final answer
    x = 6,970.18

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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.