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Finding the Fourth Proportional to 5,330.56, 7,995.24 and 1,435.28

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Solution

The fourth proportional to 5,330.56, 7,995.24 and 1,435.28 is: 2,152.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.56 : 7,995.24 = 1,435.28 : x
  2. Step 2: Convert to fraction form
    5,330.56/7,995.24 = 1,435.28/x
  3. Step 3: Cross multiply
    5,330.56x = 7,995.24 × 1,435.28
  4. Step 4: Simplify right side
    5,330.56x = 11,475,408.07
  5. Step 5: Solve for x
    x = 11,475,408.07/5,330.56
  6. Step 6: Final answer
    x = 2,152.76

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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.