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Finding the Fourth Proportional to 12,059.78, 16,650.62 and 7,529.37

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Solution

The fourth proportional to 12,059.78, 16,650.62 and 7,529.37 is: 10,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,059.78 : 16,650.62 = 7,529.37 : x
  2. Step 2: Convert to fraction form
    12,059.78/16,650.62 = 7,529.37/x
  3. Step 3: Cross multiply
    12,059.78x = 16,650.62 × 7,529.37
  4. Step 4: Simplify right side
    12,059.78x = 125,368,649.21
  5. Step 5: Solve for x
    x = 125,368,649.21/12,059.78
  6. Step 6: Final answer
    x = 10,395.60

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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.