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Finding the Fourth Proportional to 14,052.96, 19,393.44 and 7,765.92

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Solution

The fourth proportional to 14,052.96, 19,393.44 and 7,765.92 is: 10,717.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,052.96 : 19,393.44 = 7,765.92 : x
  2. Step 2: Convert to fraction form
    14,052.96/19,393.44 = 7,765.92/x
  3. Step 3: Cross multiply
    14,052.96x = 19,393.44 × 7,765.92
  4. Step 4: Simplify right side
    14,052.96x = 150,607,903.56
  5. Step 5: Solve for x
    x = 150,607,903.56/14,052.96
  6. Step 6: Final answer
    x = 10,717.17

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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.