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Finding the Fourth Proportional to 3,077.52, 4,589.52 and 2,905.02

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Solution

The fourth proportional to 3,077.52, 4,589.52 and 2,905.02 is: 4,332.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.52 : 4,589.52 = 2,905.02 : x
  2. Step 2: Convert to fraction form
    3,077.52/4,589.52 = 2,905.02/x
  3. Step 3: Cross multiply
    3,077.52x = 4,589.52 × 2,905.02
  4. Step 4: Simplify right side
    3,077.52x = 13,332,647.39
  5. Step 5: Solve for x
    x = 13,332,647.39/3,077.52
  6. Step 6: Final answer
    x = 4,332.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.