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Finding the Fourth Proportional to 5,640.48, 8,466.24 and 5,514.72

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Solution

The fourth proportional to 5,640.48, 8,466.24 and 5,514.72 is: 8,277.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640.48 : 8,466.24 = 5,514.72 : x
  2. Step 2: Convert to fraction form
    5,640.48/8,466.24 = 5,514.72/x
  3. Step 3: Cross multiply
    5,640.48x = 8,466.24 × 5,514.72
  4. Step 4: Simplify right side
    5,640.48x = 46,688,943.05
  5. Step 5: Solve for x
    x = 46,688,943.05/5,640.48
  6. Step 6: Final answer
    x = 8,277.48

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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.