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Finding the Fourth Proportional to 7,359.70, 11,039.55 and 6,754.90

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Solution

The fourth proportional to 7,359.70, 11,039.55 and 6,754.90 is: 10,132.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.70 : 11,039.55 = 6,754.90 : x
  2. Step 2: Convert to fraction form
    7,359.70/11,039.55 = 6,754.90/x
  3. Step 3: Cross multiply
    7,359.70x = 11,039.55 × 6,754.90
  4. Step 4: Simplify right side
    7,359.70x = 74,571,056.30
  5. Step 5: Solve for x
    x = 74,571,056.30/7,359.70
  6. Step 6: Final answer
    x = 10,132.35

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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.