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Finding the Fourth Proportional to 2,242.81, 3,095.15 and 1,403.25

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Solution

The fourth proportional to 2,242.81, 3,095.15 and 1,403.25 is: 1,936.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242.81 : 3,095.15 = 1,403.25 : x
  2. Step 2: Convert to fraction form
    2,242.81/3,095.15 = 1,403.25/x
  3. Step 3: Cross multiply
    2,242.81x = 3,095.15 × 1,403.25
  4. Step 4: Simplify right side
    2,242.81x = 4,343,253.76
  5. Step 5: Solve for x
    x = 4,343,253.76/2,242.81
  6. Step 6: Final answer
    x = 1,936.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.