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Finding the Fourth Proportional to 33,806.34, 50,718.42 and 12,746.70

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Solution

The fourth proportional to 33,806.34, 50,718.42 and 12,746.70 is: 19,123.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,806.34 : 50,718.42 = 12,746.70 : x
  2. Step 2: Convert to fraction form
    33,806.34/50,718.42 = 12,746.70/x
  3. Step 3: Cross multiply
    33,806.34x = 50,718.42 × 12,746.70
  4. Step 4: Simplify right side
    33,806.34x = 646,492,484.21
  5. Step 5: Solve for x
    x = 646,492,484.21/33,806.34
  6. Step 6: Final answer
    x = 19,123.41

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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.