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Finding the Fourth Proportional to 5,826.66, 8,740.31 and 1,667.28

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Solution

The fourth proportional to 5,826.66, 8,740.31 and 1,667.28 is: 2,501.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,826.66 : 8,740.31 = 1,667.28 : x
  2. Step 2: Convert to fraction form
    5,826.66/8,740.31 = 1,667.28/x
  3. Step 3: Cross multiply
    5,826.66x = 8,740.31 × 1,667.28
  4. Step 4: Simplify right side
    5,826.66x = 14,572,535.72
  5. Step 5: Solve for x
    x = 14,572,535.72/5,826.66
  6. Step 6: Final answer
    x = 2,501.01

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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.