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Finding the Fourth Proportional to 1,563.04, 2,345.72 and 741.32

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Solution

The fourth proportional to 1,563.04, 2,345.72 and 741.32 is: 1,112.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563.04 : 2,345.72 = 741.32 : x
  2. Step 2: Convert to fraction form
    1,563.04/2,345.72 = 741.32/x
  3. Step 3: Cross multiply
    1,563.04x = 2,345.72 × 741.32
  4. Step 4: Simplify right side
    1,563.04x = 1,738,929.15
  5. Step 5: Solve for x
    x = 1,738,929.15/1,563.04
  6. Step 6: Final answer
    x = 1,112.53

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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.