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Finding the Fourth Proportional to 4,691.74, 7,035.53 and 1,404.20

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Solution

The fourth proportional to 4,691.74, 7,035.53 and 1,404.20 is: 2,105.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,691.74 : 7,035.53 = 1,404.20 : x
  2. Step 2: Convert to fraction form
    4,691.74/7,035.53 = 1,404.20/x
  3. Step 3: Cross multiply
    4,691.74x = 7,035.53 × 1,404.20
  4. Step 4: Simplify right side
    4,691.74x = 9,879,291.23
  5. Step 5: Solve for x
    x = 9,879,291.23/4,691.74
  6. Step 6: Final answer
    x = 2,105.68

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1.5x scale

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.