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Finding the Fourth Proportional to 19,295.01, 28,942.55 and 6,808.26

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Solution

The fourth proportional to 19,295.01, 28,942.55 and 6,808.26 is: 10,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,295.01 : 28,942.55 = 6,808.26 : x
  2. Step 2: Convert to fraction form
    19,295.01/28,942.55 = 6,808.26/x
  3. Step 3: Cross multiply
    19,295.01x = 28,942.55 × 6,808.26
  4. Step 4: Simplify right side
    19,295.01x = 197,048,405.46
  5. Step 5: Solve for x
    x = 197,048,405.46/19,295.01
  6. Step 6: Final answer
    x = 10,212.40

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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.