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Finding the Fourth Proportional to 1,293.37, 1,784.68 and 895.15

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Solution

The fourth proportional to 1,293.37, 1,784.68 and 895.15 is: 1,235.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293.37 : 1,784.68 = 895.15 : x
  2. Step 2: Convert to fraction form
    1,293.37/1,784.68 = 895.15/x
  3. Step 3: Cross multiply
    1,293.37x = 1,784.68 × 895.15
  4. Step 4: Simplify right side
    1,293.37x = 1,597,561.33
  5. Step 5: Solve for x
    x = 1,597,561.33/1,293.37
  6. Step 6: Final answer
    x = 1,235.20

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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.