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Finding the Fourth Proportional to 7,368.92, 10,168.08 and 4,383.64

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Solution

The fourth proportional to 7,368.92, 10,168.08 and 4,383.64 is: 6,048.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.92 : 10,168.08 = 4,383.64 : x
  2. Step 2: Convert to fraction form
    7,368.92/10,168.08 = 4,383.64/x
  3. Step 3: Cross multiply
    7,368.92x = 10,168.08 × 4,383.64
  4. Step 4: Simplify right side
    7,368.92x = 44,573,202.21
  5. Step 5: Solve for x
    x = 44,573,202.21/7,368.92
  6. Step 6: Final answer
    x = 6,048.81

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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.