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Finding the Fourth Proportional to 6,880.32, 9,494.80 and 3,736.48

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Solution

The fourth proportional to 6,880.32, 9,494.80 and 3,736.48 is: 5,156.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.32 : 9,494.80 = 3,736.48 : x
  2. Step 2: Convert to fraction form
    6,880.32/9,494.80 = 3,736.48/x
  3. Step 3: Cross multiply
    6,880.32x = 9,494.80 × 3,736.48
  4. Step 4: Simplify right side
    6,880.32x = 35,477,130.30
  5. Step 5: Solve for x
    x = 35,477,130.30/6,880.32
  6. Step 6: Final answer
    x = 5,156.32

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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.