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Finding the Fourth Proportional to 7,099.71, 10,650.84 and 2,937.45

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Solution

The fourth proportional to 7,099.71, 10,650.84 and 2,937.45 is: 4,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.71 : 10,650.84 = 2,937.45 : x
  2. Step 2: Convert to fraction form
    7,099.71/10,650.84 = 2,937.45/x
  3. Step 3: Cross multiply
    7,099.71x = 10,650.84 × 2,937.45
  4. Step 4: Simplify right side
    7,099.71x = 31,286,309.96
  5. Step 5: Solve for x
    x = 31,286,309.96/7,099.71
  6. Step 6: Final answer
    x = 4,406.70

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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.