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Finding the Fourth Proportional to 17,133.05, 25,679.01 and 8,816.99

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Solution

The fourth proportional to 17,133.05, 25,679.01 and 8,816.99 is: 13,214.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,133.05 : 25,679.01 = 8,816.99 : x
  2. Step 2: Convert to fraction form
    17,133.05/25,679.01 = 8,816.99/x
  3. Step 3: Cross multiply
    17,133.05x = 25,679.01 × 8,816.99
  4. Step 4: Simplify right side
    17,133.05x = 226,411,574.38
  5. Step 5: Solve for x
    x = 226,411,574.38/17,133.05
  6. Step 6: Final answer
    x = 13,214.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.