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Finding the Fourth Proportional to 4,749.04, 7,118.70 and 2,404.70

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Solution

The fourth proportional to 4,749.04, 7,118.70 and 2,404.70 is: 3,604.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.04 : 7,118.70 = 2,404.70 : x
  2. Step 2: Convert to fraction form
    4,749.04/7,118.70 = 2,404.70/x
  3. Step 3: Cross multiply
    4,749.04x = 7,118.70 × 2,404.70
  4. Step 4: Simplify right side
    4,749.04x = 17,118,337.89
  5. Step 5: Solve for x
    x = 17,118,337.89/4,749.04
  6. Step 6: Final answer
    x = 3,604.59

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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.