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Finding the Fourth Proportional to 2,280.52, 3,421.16 and 894.52

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Solution

The fourth proportional to 2,280.52, 3,421.16 and 894.52 is: 1,341.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.52 : 3,421.16 = 894.52 : x
  2. Step 2: Convert to fraction form
    2,280.52/3,421.16 = 894.52/x
  3. Step 3: Cross multiply
    2,280.52x = 3,421.16 × 894.52
  4. Step 4: Simplify right side
    2,280.52x = 3,060,296.04
  5. Step 5: Solve for x
    x = 3,060,296.04/2,280.52
  6. Step 6: Final answer
    x = 1,341.93

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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.