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Finding the Fourth Proportional to 7,192.44, 9,926.07 and 4,005.99

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Solution

The fourth proportional to 7,192.44, 9,926.07 and 4,005.99 is: 5,528.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192.44 : 9,926.07 = 4,005.99 : x
  2. Step 2: Convert to fraction form
    7,192.44/9,926.07 = 4,005.99/x
  3. Step 3: Cross multiply
    7,192.44x = 9,926.07 × 4,005.99
  4. Step 4: Simplify right side
    7,192.44x = 39,763,737.16
  5. Step 5: Solve for x
    x = 39,763,737.16/7,192.44
  6. Step 6: Final answer
    x = 5,528.55

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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.