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Finding the Fourth Proportional to 2,895.08, 4,342.61 and 703.82

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Solution

The fourth proportional to 2,895.08, 4,342.61 and 703.82 is: 1,055.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.08 : 4,342.61 = 703.82 : x
  2. Step 2: Convert to fraction form
    2,895.08/4,342.61 = 703.82/x
  3. Step 3: Cross multiply
    2,895.08x = 4,342.61 × 703.82
  4. Step 4: Simplify right side
    2,895.08x = 3,056,428.39
  5. Step 5: Solve for x
    x = 3,056,428.39/2,895.08
  6. Step 6: Final answer
    x = 1,055.73

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Why These Related Problems?

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