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Finding the Fourth Proportional to 8,063.98, 11,128.20 and 4,527.10

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Solution

The fourth proportional to 8,063.98, 11,128.20 and 4,527.10 is: 6,247.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,063.98 : 11,128.20 = 4,527.10 : x
  2. Step 2: Convert to fraction form
    8,063.98/11,128.20 = 4,527.10/x
  3. Step 3: Cross multiply
    8,063.98x = 11,128.20 × 4,527.10
  4. Step 4: Simplify right side
    8,063.98x = 50,378,474.22
  5. Step 5: Solve for x
    x = 50,378,474.22/8,063.98
  6. Step 6: Final answer
    x = 6,247.35

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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.