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Finding the Fourth Proportional to 10,303.46, 15,452.84 and 2,908.70

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Solution

The fourth proportional to 10,303.46, 15,452.84 and 2,908.70 is: 4,362.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.46 : 15,452.84 = 2,908.70 : x
  2. Step 2: Convert to fraction form
    10,303.46/15,452.84 = 2,908.70/x
  3. Step 3: Cross multiply
    10,303.46x = 15,452.84 × 2,908.70
  4. Step 4: Simplify right side
    10,303.46x = 44,947,675.71
  5. Step 5: Solve for x
    x = 44,947,675.71/10,303.46
  6. Step 6: Final answer
    x = 4,362.39

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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.