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Finding the Fourth Proportional to 35,490.91, 48,975.69 and 19,574.41

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Solution

The fourth proportional to 35,490.91, 48,975.69 and 19,574.41 is: 27,011.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,490.91 : 48,975.69 = 19,574.41 : x
  2. Step 2: Convert to fraction form
    35,490.91/48,975.69 = 19,574.41/x
  3. Step 3: Cross multiply
    35,490.91x = 48,975.69 × 19,574.41
  4. Step 4: Simplify right side
    35,490.91x = 958,670,236.09
  5. Step 5: Solve for x
    x = 958,670,236.09/35,490.91
  6. Step 6: Final answer
    x = 27,011.71

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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.