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Finding the Fourth Proportional to 10,608.48, 14,640.18 and 6,360.24

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Solution

The fourth proportional to 10,608.48, 14,640.18 and 6,360.24 is: 8,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,608.48 : 14,640.18 = 6,360.24 : x
  2. Step 2: Convert to fraction form
    10,608.48/14,640.18 = 6,360.24/x
  3. Step 3: Cross multiply
    10,608.48x = 14,640.18 × 6,360.24
  4. Step 4: Simplify right side
    10,608.48x = 93,115,058.44
  5. Step 5: Solve for x
    x = 93,115,058.44/10,608.48
  6. Step 6: Final answer
    x = 8,777.42

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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.