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Finding the Fourth Proportional to 4,899.70, 7,350.65 and 1,612.67

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Solution

The fourth proportional to 4,899.70, 7,350.65 and 1,612.67 is: 2,419.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.70 : 7,350.65 = 1,612.67 : x
  2. Step 2: Convert to fraction form
    4,899.70/7,350.65 = 1,612.67/x
  3. Step 3: Cross multiply
    4,899.70x = 7,350.65 × 1,612.67
  4. Step 4: Simplify right side
    4,899.70x = 11,854,164.67
  5. Step 5: Solve for x
    x = 11,854,164.67/4,899.70
  6. Step 6: Final answer
    x = 2,419.37

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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.