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Finding the Fourth Proportional to 8,541.72, 11,794.77 and 5,360.31

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Solution

The fourth proportional to 8,541.72, 11,794.77 and 5,360.31 is: 7,401.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.72 : 11,794.77 = 5,360.31 : x
  2. Step 2: Convert to fraction form
    8,541.72/11,794.77 = 5,360.31/x
  3. Step 3: Cross multiply
    8,541.72x = 11,794.77 × 5,360.31
  4. Step 4: Simplify right side
    8,541.72x = 63,223,623.58
  5. Step 5: Solve for x
    x = 63,223,623.58/8,541.72
  6. Step 6: Final answer
    x = 7,401.74

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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.