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Finding the Fourth Proportional to 7,633.88, 10,529.30 and 4,945.08

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Solution

The fourth proportional to 7,633.88, 10,529.30 and 4,945.08 is: 6,820.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,633.88 : 10,529.30 = 4,945.08 : x
  2. Step 2: Convert to fraction form
    7,633.88/10,529.30 = 4,945.08/x
  3. Step 3: Cross multiply
    7,633.88x = 10,529.30 × 4,945.08
  4. Step 4: Simplify right side
    7,633.88x = 52,068,230.84
  5. Step 5: Solve for x
    x = 52,068,230.84/7,633.88
  6. Step 6: Final answer
    x = 6,820.68

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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.