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Finding the Fourth Proportional to 6,767.53, 9,346.52 and 4,648.64

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Solution

The fourth proportional to 6,767.53, 9,346.52 and 4,648.64 is: 6,420.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,767.53 : 9,346.52 = 4,648.64 : x
  2. Step 2: Convert to fraction form
    6,767.53/9,346.52 = 4,648.64/x
  3. Step 3: Cross multiply
    6,767.53x = 9,346.52 × 4,648.64
  4. Step 4: Simplify right side
    6,767.53x = 43,448,606.73
  5. Step 5: Solve for x
    x = 43,448,606.73/6,767.53
  6. Step 6: Final answer
    x = 6,420.16

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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.