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Finding the Fourth Proportional to 7,633.82, 10,535 and 4,276.55

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Solution

The fourth proportional to 7,633.82, 10,535 and 4,276.55 is: 5,901.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,633.82 : 10,535 = 4,276.55 : x
  2. Step 2: Convert to fraction form
    7,633.82/10,535 = 4,276.55/x
  3. Step 3: Cross multiply
    7,633.82x = 10,535 × 4,276.55
  4. Step 4: Simplify right side
    7,633.82x = 45,053,454.25
  5. Step 5: Solve for x
    x = 45,053,454.25/7,633.82
  6. Step 6: Final answer
    x = 5,901.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.