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Finding the Fourth Proportional to 10,600.77, 15,905.06 and 4,359.12

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Solution

The fourth proportional to 10,600.77, 15,905.06 and 4,359.12 is: 6,540.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,600.77 : 15,905.06 = 4,359.12 : x
  2. Step 2: Convert to fraction form
    10,600.77/15,905.06 = 4,359.12/x
  3. Step 3: Cross multiply
    10,600.77x = 15,905.06 × 4,359.12
  4. Step 4: Simplify right side
    10,600.77x = 69,332,000.05
  5. Step 5: Solve for x
    x = 69,332,000.05/10,600.77
  6. Step 6: Final answer
    x = 6,540.28

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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.