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Finding the Fourth Proportional to 19,367.56, 29,039.72 and 6,713.13

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Solution

The fourth proportional to 19,367.56, 29,039.72 and 6,713.13 is: 10,065.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,367.56 : 29,039.72 = 6,713.13 : x
  2. Step 2: Convert to fraction form
    19,367.56/29,039.72 = 6,713.13/x
  3. Step 3: Cross multiply
    19,367.56x = 29,039.72 × 6,713.13
  4. Step 4: Simplify right side
    19,367.56x = 194,947,432.31
  5. Step 5: Solve for x
    x = 194,947,432.31/19,367.56
  6. Step 6: Final answer
    x = 10,065.67

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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.