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Finding the Fourth Proportional to 5,007.70, 7,511.55 and 1,544.98

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Solution

The fourth proportional to 5,007.70, 7,511.55 and 1,544.98 is: 2,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.70 : 7,511.55 = 1,544.98 : x
  2. Step 2: Convert to fraction form
    5,007.70/7,511.55 = 1,544.98/x
  3. Step 3: Cross multiply
    5,007.70x = 7,511.55 × 1,544.98
  4. Step 4: Simplify right side
    5,007.70x = 11,605,194.52
  5. Step 5: Solve for x
    x = 11,605,194.52/5,007.70
  6. Step 6: Final answer
    x = 2,317.47

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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.