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Finding the Fourth Proportional to 17,289.70, 25,918.71 and 5,596.90

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Solution

The fourth proportional to 17,289.70, 25,918.71 and 5,596.90 is: 8,390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,289.70 : 25,918.71 = 5,596.90 : x
  2. Step 2: Convert to fraction form
    17,289.70/25,918.71 = 5,596.90/x
  3. Step 3: Cross multiply
    17,289.70x = 25,918.71 × 5,596.90
  4. Step 4: Simplify right side
    17,289.70x = 145,064,428.00
  5. Step 5: Solve for x
    x = 145,064,428.00/17,289.70
  6. Step 6: Final answer
    x = 8,390.22

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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.