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Finding the Fourth Proportional to 3,325.50, 4,590.03 and 1,929.06

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Solution

The fourth proportional to 3,325.50, 4,590.03 and 1,929.06 is: 2,662.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.50 : 4,590.03 = 1,929.06 : x
  2. Step 2: Convert to fraction form
    3,325.50/4,590.03 = 1,929.06/x
  3. Step 3: Cross multiply
    3,325.50x = 4,590.03 × 1,929.06
  4. Step 4: Simplify right side
    3,325.50x = 8,854,443.27
  5. Step 5: Solve for x
    x = 8,854,443.27/3,325.50
  6. Step 6: Final answer
    x = 2,662.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.