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Finding the Fourth Proportional to 12,841.46, 19,264.80 and 7,297.46

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Solution

The fourth proportional to 12,841.46, 19,264.80 and 7,297.46 is: 10,947.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841.46 : 19,264.80 = 7,297.46 : x
  2. Step 2: Convert to fraction form
    12,841.46/19,264.80 = 7,297.46/x
  3. Step 3: Cross multiply
    12,841.46x = 19,264.80 × 7,297.46
  4. Step 4: Simplify right side
    12,841.46x = 140,584,107.41
  5. Step 5: Solve for x
    x = 140,584,107.41/12,841.46
  6. Step 6: Final answer
    x = 10,947.67

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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.