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Finding the Fourth Proportional to 1,360.01, 2,040.59 and 742.94

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Solution

The fourth proportional to 1,360.01, 2,040.59 and 742.94 is: 1,114.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360.01 : 2,040.59 = 742.94 : x
  2. Step 2: Convert to fraction form
    1,360.01/2,040.59 = 742.94/x
  3. Step 3: Cross multiply
    1,360.01x = 2,040.59 × 742.94
  4. Step 4: Simplify right side
    1,360.01x = 1,516,022.02
  5. Step 5: Solve for x
    x = 1,516,022.02/1,360.01
  6. Step 6: Final answer
    x = 1,114.72

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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.