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Finding the Fourth Proportional to 7,635.30, 10,541.79 and 5,863.74

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Solution

The fourth proportional to 7,635.30, 10,541.79 and 5,863.74 is: 8,095.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,635.30 : 10,541.79 = 5,863.74 : x
  2. Step 2: Convert to fraction form
    7,635.30/10,541.79 = 5,863.74/x
  3. Step 3: Cross multiply
    7,635.30x = 10,541.79 × 5,863.74
  4. Step 4: Simplify right side
    7,635.30x = 61,814,315.69
  5. Step 5: Solve for x
    x = 61,814,315.69/7,635.30
  6. Step 6: Final answer
    x = 8,095.86

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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.