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Finding the Fourth Proportional to 2,958.67, 4,434.22 and 1,572.67

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Solution

The fourth proportional to 2,958.67, 4,434.22 and 1,572.67 is: 2,356.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.67 : 4,434.22 = 1,572.67 : x
  2. Step 2: Convert to fraction form
    2,958.67/4,434.22 = 1,572.67/x
  3. Step 3: Cross multiply
    2,958.67x = 4,434.22 × 1,572.67
  4. Step 4: Simplify right side
    2,958.67x = 6,973,564.77
  5. Step 5: Solve for x
    x = 6,973,564.77/2,958.67
  6. Step 6: Final answer
    x = 2,356.99

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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.