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Finding the Fourth Proportional to 35,574.75, 49,093.64 and 19,659.57

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Solution

The fourth proportional to 35,574.75, 49,093.64 and 19,659.57 is: 27,130.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,574.75 : 49,093.64 = 19,659.57 : x
  2. Step 2: Convert to fraction form
    35,574.75/49,093.64 = 19,659.57/x
  3. Step 3: Cross multiply
    35,574.75x = 49,093.64 × 19,659.57
  4. Step 4: Simplify right side
    35,574.75x = 965,159,753.84
  5. Step 5: Solve for x
    x = 965,159,753.84/35,574.75
  6. Step 6: Final answer
    x = 27,130.47

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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.