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Finding the Fourth Proportional to 7,183.31, 9,916.45 and 4,794.69

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Solution

The fourth proportional to 7,183.31, 9,916.45 and 4,794.69 is: 6,619.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183.31 : 9,916.45 = 4,794.69 : x
  2. Step 2: Convert to fraction form
    7,183.31/9,916.45 = 4,794.69/x
  3. Step 3: Cross multiply
    7,183.31x = 9,916.45 × 4,794.69
  4. Step 4: Simplify right side
    7,183.31x = 47,546,342.34
  5. Step 5: Solve for x
    x = 47,546,342.34/7,183.31
  6. Step 6: Final answer
    x = 6,619.00

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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.