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Finding the Fourth Proportional to 35,940.66, 49,598.62 and 20,834.42

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Solution

The fourth proportional to 35,940.66, 49,598.62 and 20,834.42 is: 28,751.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,940.66 : 49,598.62 = 20,834.42 : x
  2. Step 2: Convert to fraction form
    35,940.66/49,598.62 = 20,834.42/x
  3. Step 3: Cross multiply
    35,940.66x = 49,598.62 × 20,834.42
  4. Step 4: Simplify right side
    35,940.66x = 1,033,358,480.50
  5. Step 5: Solve for x
    x = 1,033,358,480.50/35,940.66
  6. Step 6: Final answer
    x = 28,751.79

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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.