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Finding the Fourth Proportional to 11,544.70, 17,280.60 and 11,544.70

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Solution

The fourth proportional to 11,544.70, 17,280.60 and 11,544.70 is: 17,280.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,544.70 : 17,280.60 = 11,544.70 : x
  2. Step 2: Convert to fraction form
    11,544.70/17,280.60 = 11,544.70/x
  3. Step 3: Cross multiply
    11,544.70x = 17,280.60 × 11,544.70
  4. Step 4: Simplify right side
    11,544.70x = 199,499,342.82
  5. Step 5: Solve for x
    x = 199,499,342.82/11,544.70
  6. Step 6: Final answer
    x = 17,280.60

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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.