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Finding the Fourth Proportional to 9,761.52, 14,630.08 and 4,490.91

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Solution

The fourth proportional to 9,761.52, 14,630.08 and 4,490.91 is: 6,730.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,761.52 : 14,630.08 = 4,490.91 : x
  2. Step 2: Convert to fraction form
    9,761.52/14,630.08 = 4,490.91/x
  3. Step 3: Cross multiply
    9,761.52x = 14,630.08 × 4,490.91
  4. Step 4: Simplify right side
    9,761.52x = 65,702,372.57
  5. Step 5: Solve for x
    x = 65,702,372.57/9,761.52
  6. Step 6: Final answer
    x = 6,730.75

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1.5x scale

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.