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Finding the Fourth Proportional to 10,600.68, 15,901.26 and 2,809.71

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Solution

The fourth proportional to 10,600.68, 15,901.26 and 2,809.71 is: 4,214.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,600.68 : 15,901.26 = 2,809.71 : x
  2. Step 2: Convert to fraction form
    10,600.68/15,901.26 = 2,809.71/x
  3. Step 3: Cross multiply
    10,600.68x = 15,901.26 × 2,809.71
  4. Step 4: Simplify right side
    10,600.68x = 44,677,929.23
  5. Step 5: Solve for x
    x = 44,677,929.23/10,600.68
  6. Step 6: Final answer
    x = 4,214.63

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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.