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Finding the Fourth Proportional to 23,719.78, 35,573.55 and 7,075.54

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Solution

The fourth proportional to 23,719.78, 35,573.55 and 7,075.54 is: 10,611.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,719.78 : 35,573.55 = 7,075.54 : x
  2. Step 2: Convert to fraction form
    23,719.78/35,573.55 = 7,075.54/x
  3. Step 3: Cross multiply
    23,719.78x = 35,573.55 × 7,075.54
  4. Step 4: Simplify right side
    23,719.78x = 251,702,075.97
  5. Step 5: Solve for x
    x = 251,702,075.97/23,719.78
  6. Step 6: Final answer
    x = 10,611.48

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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.