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Finding the Fourth Proportional to 17,409.70, 26,090.94 and 12,707.65

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Solution

The fourth proportional to 17,409.70, 26,090.94 and 12,707.65 is: 19,044.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,409.70 : 26,090.94 = 12,707.65 : x
  2. Step 2: Convert to fraction form
    17,409.70/26,090.94 = 12,707.65/x
  3. Step 3: Cross multiply
    17,409.70x = 26,090.94 × 12,707.65
  4. Step 4: Simplify right side
    17,409.70x = 331,554,533.69
  5. Step 5: Solve for x
    x = 331,554,533.69/17,409.70
  6. Step 6: Final answer
    x = 19,044.24

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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.