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Finding the Fourth Proportional to 9,611.26, 14,404.32 and 4,927.30

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Solution

The fourth proportional to 9,611.26, 14,404.32 and 4,927.30 is: 7,384.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,611.26 : 14,404.32 = 4,927.30 : x
  2. Step 2: Convert to fraction form
    9,611.26/14,404.32 = 4,927.30/x
  3. Step 3: Cross multiply
    9,611.26x = 14,404.32 × 4,927.30
  4. Step 4: Simplify right side
    9,611.26x = 70,974,405.94
  5. Step 5: Solve for x
    x = 70,974,405.94/9,611.26
  6. Step 6: Final answer
    x = 7,384.51

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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.