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Finding the Fourth Proportional to 8,706.50, 13,048.80 and 6,246.14

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Solution

The fourth proportional to 8,706.50, 13,048.80 and 6,246.14 is: 9,361.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,706.50 : 13,048.80 = 6,246.14 : x
  2. Step 2: Convert to fraction form
    8,706.50/13,048.80 = 6,246.14/x
  3. Step 3: Cross multiply
    8,706.50x = 13,048.80 × 6,246.14
  4. Step 4: Simplify right side
    8,706.50x = 81,504,631.63
  5. Step 5: Solve for x
    x = 81,504,631.63/8,706.50
  6. Step 6: Final answer
    x = 9,361.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.