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Finding the Fourth Proportional to 6,937.28, 10,406.28 and 3,041.72

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Solution

The fourth proportional to 6,937.28, 10,406.28 and 3,041.72 is: 4,562.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,937.28 : 10,406.28 = 3,041.72 : x
  2. Step 2: Convert to fraction form
    6,937.28/10,406.28 = 3,041.72/x
  3. Step 3: Cross multiply
    6,937.28x = 10,406.28 × 3,041.72
  4. Step 4: Simplify right side
    6,937.28x = 31,652,990.00
  5. Step 5: Solve for x
    x = 31,652,990.00/6,937.28
  6. Step 6: Final answer
    x = 4,562.74

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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.