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Finding the Fourth Proportional to 6,007.76, 8,290.76 and 3,355.28

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Solution

The fourth proportional to 6,007.76, 8,290.76 and 3,355.28 is: 4,630.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,007.76 : 8,290.76 = 3,355.28 : x
  2. Step 2: Convert to fraction form
    6,007.76/8,290.76 = 3,355.28/x
  3. Step 3: Cross multiply
    6,007.76x = 8,290.76 × 3,355.28
  4. Step 4: Simplify right side
    6,007.76x = 27,817,821.21
  5. Step 5: Solve for x
    x = 27,817,821.21/6,007.76
  6. Step 6: Final answer
    x = 4,630.31

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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.