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Finding the Fourth Proportional to 17,846.94, 24,628.41 and 9,889.11

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Solution

The fourth proportional to 17,846.94, 24,628.41 and 9,889.11 is: 13,646.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,846.94 : 24,628.41 = 9,889.11 : x
  2. Step 2: Convert to fraction form
    17,846.94/24,628.41 = 9,889.11/x
  3. Step 3: Cross multiply
    17,846.94x = 24,628.41 × 9,889.11
  4. Step 4: Simplify right side
    17,846.94x = 243,553,055.62
  5. Step 5: Solve for x
    x = 243,553,055.62/17,846.94
  6. Step 6: Final answer
    x = 13,646.77

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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.