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Finding the Fourth Proportional to 15,473.40, 23,208.94 and 4,942.99

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Solution

The fourth proportional to 15,473.40, 23,208.94 and 4,942.99 is: 7,414.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,473.40 : 23,208.94 = 4,942.99 : x
  2. Step 2: Convert to fraction form
    15,473.40/23,208.94 = 4,942.99/x
  3. Step 3: Cross multiply
    15,473.40x = 23,208.94 × 4,942.99
  4. Step 4: Simplify right side
    15,473.40x = 114,721,558.33
  5. Step 5: Solve for x
    x = 114,721,558.33/15,473.40
  6. Step 6: Final answer
    x = 7,414.11

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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.