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Finding the Fourth Proportional to 17,419.13, 26,133.02 and 5,107.13

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Solution

The fourth proportional to 17,419.13, 26,133.02 and 5,107.13 is: 7,661.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,419.13 : 26,133.02 = 5,107.13 : x
  2. Step 2: Convert to fraction form
    17,419.13/26,133.02 = 5,107.13/x
  3. Step 3: Cross multiply
    17,419.13x = 26,133.02 × 5,107.13
  4. Step 4: Simplify right side
    17,419.13x = 133,464,574.23
  5. Step 5: Solve for x
    x = 133,464,574.23/17,419.13
  6. Step 6: Final answer
    x = 7,661.96

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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.