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Finding the Fourth Proportional to 1,544.28, 2,313.18 and 894.66

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Solution

The fourth proportional to 1,544.28, 2,313.18 and 894.66 is: 1,340.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.28 : 2,313.18 = 894.66 : x
  2. Step 2: Convert to fraction form
    1,544.28/2,313.18 = 894.66/x
  3. Step 3: Cross multiply
    1,544.28x = 2,313.18 × 894.66
  4. Step 4: Simplify right side
    1,544.28x = 2,069,509.62
  5. Step 5: Solve for x
    x = 2,069,509.62/1,544.28
  6. Step 6: Final answer
    x = 1,340.11

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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.