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Finding the Fourth Proportional to 3,526.95, 4,868.12 and 2,199.88

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Solution

The fourth proportional to 3,526.95, 4,868.12 and 2,199.88 is: 3,036.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.95 : 4,868.12 = 2,199.88 : x
  2. Step 2: Convert to fraction form
    3,526.95/4,868.12 = 2,199.88/x
  3. Step 3: Cross multiply
    3,526.95x = 4,868.12 × 2,199.88
  4. Step 4: Simplify right side
    3,526.95x = 10,709,273.15
  5. Step 5: Solve for x
    x = 10,709,273.15/3,526.95
  6. Step 6: Final answer
    x = 3,036.41

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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.