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Finding the Fourth Proportional to 3,525.79, 4,865.70 and 1,954.03

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Solution

The fourth proportional to 3,525.79, 4,865.70 and 1,954.03 is: 2,696.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525.79 : 4,865.70 = 1,954.03 : x
  2. Step 2: Convert to fraction form
    3,525.79/4,865.70 = 1,954.03/x
  3. Step 3: Cross multiply
    3,525.79x = 4,865.70 × 1,954.03
  4. Step 4: Simplify right side
    3,525.79x = 9,507,723.77
  5. Step 5: Solve for x
    x = 9,507,723.77/3,525.79
  6. Step 6: Final answer
    x = 2,696.62

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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.