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Finding the Fourth Proportional to 29,746.84, 44,627.76 and 20,998.84

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Solution

The fourth proportional to 29,746.84, 44,627.76 and 20,998.84 is: 31,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,746.84 : 44,627.76 = 20,998.84 : x
  2. Step 2: Convert to fraction form
    29,746.84/44,627.76 = 20,998.84/x
  3. Step 3: Cross multiply
    29,746.84x = 44,627.76 × 20,998.84
  4. Step 4: Simplify right side
    29,746.84x = 937,131,191.80
  5. Step 5: Solve for x
    x = 937,131,191.80/29,746.84
  6. Step 6: Final answer
    x = 31,503.55

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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.