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Finding the Fourth Proportional to 35,446.26, 48,922.90 and 20,349.12

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Solution

The fourth proportional to 35,446.26, 48,922.90 and 20,349.12 is: 28,085.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,446.26 : 48,922.90 = 20,349.12 : x
  2. Step 2: Convert to fraction form
    35,446.26/48,922.90 = 20,349.12/x
  3. Step 3: Cross multiply
    35,446.26x = 48,922.90 × 20,349.12
  4. Step 4: Simplify right side
    35,446.26x = 995,537,962.85
  5. Step 5: Solve for x
    x = 995,537,962.85/35,446.26
  6. Step 6: Final answer
    x = 28,085.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.