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Finding the Fourth Proportional to 11,371.40, 17,024.70 and 10,075.40

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Solution

The fourth proportional to 11,371.40, 17,024.70 and 10,075.40 is: 15,084.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,371.40 : 17,024.70 = 10,075.40 : x
  2. Step 2: Convert to fraction form
    11,371.40/17,024.70 = 10,075.40/x
  3. Step 3: Cross multiply
    11,371.40x = 17,024.70 × 10,075.40
  4. Step 4: Simplify right side
    11,371.40x = 171,530,662.38
  5. Step 5: Solve for x
    x = 171,530,662.38/11,371.40
  6. Step 6: Final answer
    x = 15,084.39

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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.