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Finding the Fourth Proportional to 10,608.86, 14,640.29 and 5,828.75

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Solution

The fourth proportional to 10,608.86, 14,640.29 and 5,828.75 is: 8,043.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,608.86 : 14,640.29 = 5,828.75 : x
  2. Step 2: Convert to fraction form
    10,608.86/14,640.29 = 5,828.75/x
  3. Step 3: Cross multiply
    10,608.86x = 14,640.29 × 5,828.75
  4. Step 4: Simplify right side
    10,608.86x = 85,334,487.99
  5. Step 5: Solve for x
    x = 85,334,487.99/10,608.86
  6. Step 6: Final answer
    x = 8,043.70

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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.