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Finding the Fourth Proportional to 6,887.25, 9,432.96 and 6,483.16

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Solution

The fourth proportional to 6,887.25, 9,432.96 and 6,483.16 is: 8,879.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.25 : 9,432.96 = 6,483.16 : x
  2. Step 2: Convert to fraction form
    6,887.25/9,432.96 = 6,483.16/x
  3. Step 3: Cross multiply
    6,887.25x = 9,432.96 × 6,483.16
  4. Step 4: Simplify right side
    6,887.25x = 61,155,388.95
  5. Step 5: Solve for x
    x = 61,155,388.95/6,887.25
  6. Step 6: Final answer
    x = 8,879.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.