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Finding the Fourth Proportional to 5,010.99, 6,914.63 and 2,772.51

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Solution

The fourth proportional to 5,010.99, 6,914.63 and 2,772.51 is: 3,825.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,010.99 : 6,914.63 = 2,772.51 : x
  2. Step 2: Convert to fraction form
    5,010.99/6,914.63 = 2,772.51/x
  3. Step 3: Cross multiply
    5,010.99x = 6,914.63 × 2,772.51
  4. Step 4: Simplify right side
    5,010.99x = 19,170,880.82
  5. Step 5: Solve for x
    x = 19,170,880.82/5,010.99
  6. Step 6: Final answer
    x = 3,825.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.