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Finding the Fourth Proportional to 2,894.79, 4,342.17 and 703.53

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Solution

The fourth proportional to 2,894.79, 4,342.17 and 703.53 is: 1,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.79 : 4,342.17 = 703.53 : x
  2. Step 2: Convert to fraction form
    2,894.79/4,342.17 = 703.53/x
  3. Step 3: Cross multiply
    2,894.79x = 4,342.17 × 703.53
  4. Step 4: Simplify right side
    2,894.79x = 3,054,846.86
  5. Step 5: Solve for x
    x = 3,054,846.86/2,894.79
  6. Step 6: Final answer
    x = 1,055.29

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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.