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Finding the Fourth Proportional to 2,356.66, 3,534.99 and 625.27

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Solution

The fourth proportional to 2,356.66, 3,534.99 and 625.27 is: 937.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.66 : 3,534.99 = 625.27 : x
  2. Step 2: Convert to fraction form
    2,356.66/3,534.99 = 625.27/x
  3. Step 3: Cross multiply
    2,356.66x = 3,534.99 × 625.27
  4. Step 4: Simplify right side
    2,356.66x = 2,210,323.20
  5. Step 5: Solve for x
    x = 2,210,323.20/2,356.66
  6. Step 6: Final answer
    x = 937.91

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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.