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Finding the Fourth Proportional to 17,407.19, 26,087.19 and 12,705.14

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Solution

The fourth proportional to 17,407.19, 26,087.19 and 12,705.14 is: 19,040.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,407.19 : 26,087.19 = 12,705.14 : x
  2. Step 2: Convert to fraction form
    17,407.19/26,087.19 = 12,705.14/x
  3. Step 3: Cross multiply
    17,407.19x = 26,087.19 × 12,705.14
  4. Step 4: Simplify right side
    17,407.19x = 331,441,270.72
  5. Step 5: Solve for x
    x = 331,441,270.72/17,407.19
  6. Step 6: Final answer
    x = 19,040.49

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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.