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Finding the Fourth Proportional to 2,111.52, 2,909.52 and 1,795.68

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Solution

The fourth proportional to 2,111.52, 2,909.52 and 1,795.68 is: 2,474.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111.52 : 2,909.52 = 1,795.68 : x
  2. Step 2: Convert to fraction form
    2,111.52/2,909.52 = 1,795.68/x
  3. Step 3: Cross multiply
    2,111.52x = 2,909.52 × 1,795.68
  4. Step 4: Simplify right side
    2,111.52x = 5,224,566.87
  5. Step 5: Solve for x
    x = 5,224,566.87/2,111.52
  6. Step 6: Final answer
    x = 2,474.32

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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.