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Finding the Fourth Proportional to 1,563.54, 2,345.72 and 589.66

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Solution

The fourth proportional to 1,563.54, 2,345.72 and 589.66 is: 884.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.54 : 2,345.72 = 589.66 : x
  2. Step 2: Convert to fraction form
    1,563.54/2,345.72 = 589.66/x
  3. Step 3: Cross multiply
    1,563.54x = 2,345.72 × 589.66
  4. Step 4: Simplify right side
    1,563.54x = 1,383,177.26
  5. Step 5: Solve for x
    x = 1,383,177.26/1,563.54
  6. Step 6: Final answer
    x = 884.64

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.