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Finding the Fourth Proportional to 14,052.52, 19,392.34 and 7,764.76

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Solution

The fourth proportional to 14,052.52, 19,392.34 and 7,764.76 is: 10,715.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052.52 : 19,392.34 = 7,764.76 : x
  2. Step 2: Convert to fraction form
    14,052.52/19,392.34 = 7,764.76/x
  3. Step 3: Cross multiply
    14,052.52x = 19,392.34 × 7,764.76
  4. Step 4: Simplify right side
    14,052.52x = 150,576,865.94
  5. Step 5: Solve for x
    x = 150,576,865.94/14,052.52
  6. Step 6: Final answer
    x = 10,715.29

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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.