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Finding the Fourth Proportional to 4,575.79, 6,864.04 and 1,455.67

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Solution

The fourth proportional to 4,575.79, 6,864.04 and 1,455.67 is: 2,183.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,575.79 : 6,864.04 = 1,455.67 : x
  2. Step 2: Convert to fraction form
    4,575.79/6,864.04 = 1,455.67/x
  3. Step 3: Cross multiply
    4,575.79x = 6,864.04 × 1,455.67
  4. Step 4: Simplify right side
    4,575.79x = 9,991,787.51
  5. Step 5: Solve for x
    x = 9,991,787.51/4,575.79
  6. Step 6: Final answer
    x = 2,183.62

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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.