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Finding the Fourth Proportional to 3,595.99, 5,389.60 and 1,926.01

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Solution

The fourth proportional to 3,595.99, 5,389.60 and 1,926.01 is: 2,886.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,595.99 : 5,389.60 = 1,926.01 : x
  2. Step 2: Convert to fraction form
    3,595.99/5,389.60 = 1,926.01/x
  3. Step 3: Cross multiply
    3,595.99x = 5,389.60 × 1,926.01
  4. Step 4: Simplify right side
    3,595.99x = 10,380,423.50
  5. Step 5: Solve for x
    x = 10,380,423.50/3,595.99
  6. Step 6: Final answer
    x = 2,886.67

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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.