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Finding the Fourth Proportional to 30,818.70, 46,228.05 and 15,266.70

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Solution

The fourth proportional to 30,818.70, 46,228.05 and 15,266.70 is: 22,900.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,818.70 : 46,228.05 = 15,266.70 : x
  2. Step 2: Convert to fraction form
    30,818.70/46,228.05 = 15,266.70/x
  3. Step 3: Cross multiply
    30,818.70x = 46,228.05 × 15,266.70
  4. Step 4: Simplify right side
    30,818.70x = 705,749,770.94
  5. Step 5: Solve for x
    x = 705,749,770.94/30,818.70
  6. Step 6: Final answer
    x = 22,900.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.