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Finding the Fourth Proportional to 5,007.34, 6,912.54 and 3,331.54

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Solution

The fourth proportional to 5,007.34, 6,912.54 and 3,331.54 is: 4,599.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.34 : 6,912.54 = 3,331.54 : x
  2. Step 2: Convert to fraction form
    5,007.34/6,912.54 = 3,331.54/x
  3. Step 3: Cross multiply
    5,007.34x = 6,912.54 × 3,331.54
  4. Step 4: Simplify right side
    5,007.34x = 23,029,403.51
  5. Step 5: Solve for x
    x = 23,029,403.51/5,007.34
  6. Step 6: Final answer
    x = 4,599.13

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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.