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Finding the Fourth Proportional to 7,101.56, 10,652.07 and 2,940.50

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Solution

The fourth proportional to 7,101.56, 10,652.07 and 2,940.50 is: 4,410.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.56 : 10,652.07 = 2,940.50 : x
  2. Step 2: Convert to fraction form
    7,101.56/10,652.07 = 2,940.50/x
  3. Step 3: Cross multiply
    7,101.56x = 10,652.07 × 2,940.50
  4. Step 4: Simplify right side
    7,101.56x = 31,322,411.84
  5. Step 5: Solve for x
    x = 31,322,411.84/7,101.56
  6. Step 6: Final answer
    x = 4,410.64

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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.