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Finding the Fourth Proportional to 34,295.40, 51,443.01 and 10,921.77

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Solution

The fourth proportional to 34,295.40, 51,443.01 and 10,921.77 is: 16,382.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,295.40 : 51,443.01 = 10,921.77 : x
  2. Step 2: Convert to fraction form
    34,295.40/51,443.01 = 10,921.77/x
  3. Step 3: Cross multiply
    34,295.40x = 51,443.01 × 10,921.77
  4. Step 4: Simplify right side
    34,295.40x = 561,848,723.33
  5. Step 5: Solve for x
    x = 561,848,723.33/34,295.40
  6. Step 6: Final answer
    x = 16,382.63

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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.