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Finding the Fourth Proportional to 35,841.42, 49,452.12 and 21,691.53

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Solution

The fourth proportional to 35,841.42, 49,452.12 and 21,691.53 is: 29,928.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,841.42 : 49,452.12 = 21,691.53 : x
  2. Step 2: Convert to fraction form
    35,841.42/49,452.12 = 21,691.53/x
  3. Step 3: Cross multiply
    35,841.42x = 49,452.12 × 21,691.53
  4. Step 4: Simplify right side
    35,841.42x = 1,072,692,144.54
  5. Step 5: Solve for x
    x = 1,072,692,144.54/35,841.42
  6. Step 6: Final answer
    x = 29,928.84

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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.