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Finding the Fourth Proportional to 10,600.50, 15,900.75 and 2,809.32

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Solution

The fourth proportional to 10,600.50, 15,900.75 and 2,809.32 is: 4,213.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,600.50 : 15,900.75 = 2,809.32 : x
  2. Step 2: Convert to fraction form
    10,600.50/15,900.75 = 2,809.32/x
  3. Step 3: Cross multiply
    10,600.50x = 15,900.75 × 2,809.32
  4. Step 4: Simplify right side
    10,600.50x = 44,670,294.99
  5. Step 5: Solve for x
    x = 44,670,294.99/10,600.50
  6. Step 6: Final answer
    x = 4,213.98

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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.