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Finding the Fourth Proportional to 29,806.40, 41,790.40 and 29,806.40

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Solution

The fourth proportional to 29,806.40, 41,790.40 and 29,806.40 is: 41,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,806.40 : 41,790.40 = 29,806.40 : x
  2. Step 2: Convert to fraction form
    29,806.40/41,790.40 = 29,806.40/x
  3. Step 3: Cross multiply
    29,806.40x = 41,790.40 × 29,806.40
  4. Step 4: Simplify right side
    29,806.40x = 1,245,621,378.56
  5. Step 5: Solve for x
    x = 1,245,621,378.56/29,806.40
  6. Step 6: Final answer
    x = 41,790.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.