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Finding the Fourth Proportional to 29,660.41, 40,935.09 and 19,460.08

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Solution

The fourth proportional to 29,660.41, 40,935.09 and 19,460.08 is: 26,857.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,660.41 : 40,935.09 = 19,460.08 : x
  2. Step 2: Convert to fraction form
    29,660.41/40,935.09 = 19,460.08/x
  3. Step 3: Cross multiply
    29,660.41x = 40,935.09 × 19,460.08
  4. Step 4: Simplify right side
    29,660.41x = 796,600,126.21
  5. Step 5: Solve for x
    x = 796,600,126.21/29,660.41
  6. Step 6: Final answer
    x = 26,857.35

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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.