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Finding the Fourth Proportional to 6,757.32, 9,313.95 and 4,518.39

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Solution

The fourth proportional to 6,757.32, 9,313.95 and 4,518.39 is: 6,227.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,757.32 : 9,313.95 = 4,518.39 : x
  2. Step 2: Convert to fraction form
    6,757.32/9,313.95 = 4,518.39/x
  3. Step 3: Cross multiply
    6,757.32x = 9,313.95 × 4,518.39
  4. Step 4: Simplify right side
    6,757.32x = 42,084,058.54
  5. Step 5: Solve for x
    x = 42,084,058.54/6,757.32
  6. Step 6: Final answer
    x = 6,227.92

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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.