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Finding the Fourth Proportional to 7,759.83, 10,708.77 and 4,573.41

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Solution

The fourth proportional to 7,759.83, 10,708.77 and 4,573.41 is: 6,311.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.83 : 10,708.77 = 4,573.41 : x
  2. Step 2: Convert to fraction form
    7,759.83/10,708.77 = 4,573.41/x
  3. Step 3: Cross multiply
    7,759.83x = 10,708.77 × 4,573.41
  4. Step 4: Simplify right side
    7,759.83x = 48,975,595.81
  5. Step 5: Solve for x
    x = 48,975,595.81/7,759.83
  6. Step 6: Final answer
    x = 6,311.43

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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.