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Finding the Fourth Proportional to 1,632.84, 2,446.02 and 1,572.50

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Solution

The fourth proportional to 1,632.84, 2,446.02 and 1,572.50 is: 2,355.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.84 : 2,446.02 = 1,572.50 : x
  2. Step 2: Convert to fraction form
    1,632.84/2,446.02 = 1,572.50/x
  3. Step 3: Cross multiply
    1,632.84x = 2,446.02 × 1,572.50
  4. Step 4: Simplify right side
    1,632.84x = 3,846,354.22
  5. Step 5: Solve for x
    x = 3,846,354.22/1,632.84
  6. Step 6: Final answer
    x = 2,355.62

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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.