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Finding the Fourth Proportional to 7,900.96, 10,903.34 and 4,364.19

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Solution

The fourth proportional to 7,900.96, 10,903.34 and 4,364.19 is: 6,022.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.96 : 10,903.34 = 4,364.19 : x
  2. Step 2: Convert to fraction form
    7,900.96/10,903.34 = 4,364.19/x
  3. Step 3: Cross multiply
    7,900.96x = 10,903.34 × 4,364.19
  4. Step 4: Simplify right side
    7,900.96x = 47,584,247.39
  5. Step 5: Solve for x
    x = 47,584,247.39/7,900.96
  6. Step 6: Final answer
    x = 6,022.59

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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.