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Finding the Fourth Proportional to 6,387.66, 9,572.76 and 4,826.38

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Solution

The fourth proportional to 6,387.66, 9,572.76 and 4,826.38 is: 7,232.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.66 : 9,572.76 = 4,826.38 : x
  2. Step 2: Convert to fraction form
    6,387.66/9,572.76 = 4,826.38/x
  3. Step 3: Cross multiply
    6,387.66x = 9,572.76 × 4,826.38
  4. Step 4: Simplify right side
    6,387.66x = 46,201,777.41
  5. Step 5: Solve for x
    x = 46,201,777.41/6,387.66
  6. Step 6: Final answer
    x = 7,232.97

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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.