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Finding the Fourth Proportional to 35,138.71, 52,706.24 and 12,950.23

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Solution

The fourth proportional to 35,138.71, 52,706.24 and 12,950.23 is: 19,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,138.71 : 52,706.24 = 12,950.23 : x
  2. Step 2: Convert to fraction form
    35,138.71/52,706.24 = 12,950.23/x
  3. Step 3: Cross multiply
    35,138.71x = 52,706.24 × 12,950.23
  4. Step 4: Simplify right side
    35,138.71x = 682,557,954.15
  5. Step 5: Solve for x
    x = 682,557,954.15/35,138.71
  6. Step 6: Final answer
    x = 19,424.67

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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.