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Finding the Fourth Proportional to 15,804.72, 23,709.78 and 7,039.44

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Solution

The fourth proportional to 15,804.72, 23,709.78 and 7,039.44 is: 10,560.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,804.72 : 23,709.78 = 7,039.44 : x
  2. Step 2: Convert to fraction form
    15,804.72/23,709.78 = 7,039.44/x
  3. Step 3: Cross multiply
    15,804.72x = 23,709.78 × 7,039.44
  4. Step 4: Simplify right side
    15,804.72x = 166,903,573.72
  5. Step 5: Solve for x
    x = 166,903,573.72/15,804.72
  6. Step 6: Final answer
    x = 10,560.36

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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.