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Finding the Fourth Proportional to 6,395.83, 9,580.97 and 5,081.81

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Solution

The fourth proportional to 6,395.83, 9,580.97 and 5,081.81 is: 7,612.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,395.83 : 9,580.97 = 5,081.81 : x
  2. Step 2: Convert to fraction form
    6,395.83/9,580.97 = 5,081.81/x
  3. Step 3: Cross multiply
    6,395.83x = 9,580.97 × 5,081.81
  4. Step 4: Simplify right side
    6,395.83x = 48,688,595.84
  5. Step 5: Solve for x
    x = 48,688,595.84/6,395.83
  6. Step 6: Final answer
    x = 7,612.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.