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Finding the Fourth Proportional to 9,611.70, 14,409.55 and 4,069.30

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Solution

The fourth proportional to 9,611.70, 14,409.55 and 4,069.30 is: 6,100.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,611.70 : 14,409.55 = 4,069.30 : x
  2. Step 2: Convert to fraction form
    9,611.70/14,409.55 = 4,069.30/x
  3. Step 3: Cross multiply
    9,611.70x = 14,409.55 × 4,069.30
  4. Step 4: Simplify right side
    9,611.70x = 58,636,781.82
  5. Step 5: Solve for x
    x = 58,636,781.82/9,611.70
  6. Step 6: Final answer
    x = 6,100.56

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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.