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Finding the Fourth Proportional to 2,355.51, 3,532.95 and 624.27

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Solution

The fourth proportional to 2,355.51, 3,532.95 and 624.27 is: 936.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.51 : 3,532.95 = 624.27 : x
  2. Step 2: Convert to fraction form
    2,355.51/3,532.95 = 624.27/x
  3. Step 3: Cross multiply
    2,355.51x = 3,532.95 × 624.27
  4. Step 4: Simplify right side
    2,355.51x = 2,205,514.70
  5. Step 5: Solve for x
    x = 2,205,514.70/2,355.51
  6. Step 6: Final answer
    x = 936.32

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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.