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Finding the Fourth Proportional to 3,526.11, 4,866.03 and 1,954.20

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Solution

The fourth proportional to 3,526.11, 4,866.03 and 1,954.20 is: 2,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.11 : 4,866.03 = 1,954.20 : x
  2. Step 2: Convert to fraction form
    3,526.11/4,866.03 = 1,954.20/x
  3. Step 3: Cross multiply
    3,526.11x = 4,866.03 × 1,954.20
  4. Step 4: Simplify right side
    3,526.11x = 9,509,220.25
  5. Step 5: Solve for x
    x = 9,509,220.25/3,526.11
  6. Step 6: Final answer
    x = 2,696.80

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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.