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Finding the Fourth Proportional to 2,356.67, 3,535.18 and 895.80

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Solution

The fourth proportional to 2,356.67, 3,535.18 and 895.80 is: 1,343.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.67 : 3,535.18 = 895.80 : x
  2. Step 2: Convert to fraction form
    2,356.67/3,535.18 = 895.80/x
  3. Step 3: Cross multiply
    2,356.67x = 3,535.18 × 895.80
  4. Step 4: Simplify right side
    2,356.67x = 3,166,825.26
  5. Step 5: Solve for x
    x = 3,166,825.26/2,356.67
  6. Step 6: Final answer
    x = 1,343.77

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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.