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Finding the Fourth Proportional to 35,043.87, 48,364.80 and 19,940.22

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Solution

The fourth proportional to 35,043.87, 48,364.80 and 19,940.22 is: 27,519.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,043.87 : 48,364.80 = 19,940.22 : x
  2. Step 2: Convert to fraction form
    35,043.87/48,364.80 = 19,940.22/x
  3. Step 3: Cross multiply
    35,043.87x = 48,364.80 × 19,940.22
  4. Step 4: Simplify right side
    35,043.87x = 964,404,752.26
  5. Step 5: Solve for x
    x = 964,404,752.26/35,043.87
  6. Step 6: Final answer
    x = 27,519.93

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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.