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Finding the Fourth Proportional to 2,041.60, 3,059.04 and 1,174.40

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Solution

The fourth proportional to 2,041.60, 3,059.04 and 1,174.40 is: 1,759.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.60 : 3,059.04 = 1,174.40 : x
  2. Step 2: Convert to fraction form
    2,041.60/3,059.04 = 1,174.40/x
  3. Step 3: Cross multiply
    2,041.60x = 3,059.04 × 1,174.40
  4. Step 4: Simplify right side
    2,041.60x = 3,592,536.58
  5. Step 5: Solve for x
    x = 3,592,536.58/2,041.60
  6. Step 6: Final answer
    x = 1,759.67

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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.