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Finding the Fourth Proportional to 1,563.53, 2,345.74 and 589.44

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Solution

The fourth proportional to 1,563.53, 2,345.74 and 589.44 is: 884.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.53 : 2,345.74 = 589.44 : x
  2. Step 2: Convert to fraction form
    1,563.53/2,345.74 = 589.44/x
  3. Step 3: Cross multiply
    1,563.53x = 2,345.74 × 589.44
  4. Step 4: Simplify right side
    1,563.53x = 1,382,671.51
  5. Step 5: Solve for x
    x = 1,382,671.51/1,563.53
  6. Step 6: Final answer
    x = 884.33

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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.