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Finding the Fourth Proportional to 7,076.06, 9,765.06 and 4,281.56

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Solution

The fourth proportional to 7,076.06, 9,765.06 and 4,281.56 is: 5,908.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.06 : 9,765.06 = 4,281.56 : x
  2. Step 2: Convert to fraction form
    7,076.06/9,765.06 = 4,281.56/x
  3. Step 3: Cross multiply
    7,076.06x = 9,765.06 × 4,281.56
  4. Step 4: Simplify right side
    7,076.06x = 41,809,690.29
  5. Step 5: Solve for x
    x = 41,809,690.29/7,076.06
  6. Step 6: Final answer
    x = 5,908.61

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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.