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Finding the Fourth Proportional to 3,345.51, 5,018.90 and 1,496.70

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Solution

The fourth proportional to 3,345.51, 5,018.90 and 1,496.70 is: 2,245.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.51 : 5,018.90 = 1,496.70 : x
  2. Step 2: Convert to fraction form
    3,345.51/5,018.90 = 1,496.70/x
  3. Step 3: Cross multiply
    3,345.51x = 5,018.90 × 1,496.70
  4. Step 4: Simplify right side
    3,345.51x = 7,511,780.15
  5. Step 5: Solve for x
    x = 7,511,780.15/3,345.51
  6. Step 6: Final answer
    x = 2,245.33

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1.5x scale

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.