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Finding the Fourth Proportional to 35,525.70, 49,025.25 and 21,375.54

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Solution

The fourth proportional to 35,525.70, 49,025.25 and 21,375.54 is: 29,498.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,525.70 : 49,025.25 = 21,375.54 : x
  2. Step 2: Convert to fraction form
    35,525.70/49,025.25 = 21,375.54/x
  3. Step 3: Cross multiply
    35,525.70x = 49,025.25 × 21,375.54
  4. Step 4: Simplify right side
    35,525.70x = 1,047,941,192.39
  5. Step 5: Solve for x
    x = 1,047,941,192.39/35,525.70
  6. Step 6: Final answer
    x = 29,498.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.