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Finding the Fourth Proportional to 7,008.93, 10,511.60 and 2,077.40

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Solution

The fourth proportional to 7,008.93, 10,511.60 and 2,077.40 is: 3,115.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.93 : 10,511.60 = 2,077.40 : x
  2. Step 2: Convert to fraction form
    7,008.93/10,511.60 = 2,077.40/x
  3. Step 3: Cross multiply
    7,008.93x = 10,511.60 × 2,077.40
  4. Step 4: Simplify right side
    7,008.93x = 21,836,813.73
  5. Step 5: Solve for x
    x = 21,836,813.73/7,008.93
  6. Step 6: Final answer
    x = 3,115.57

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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.