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Finding the Fourth Proportional to 4,697.67, 7,046.50 and 3,819.12

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Solution

The fourth proportional to 4,697.67, 7,046.50 and 3,819.12 is: 5,728.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,697.67 : 7,046.50 = 3,819.12 : x
  2. Step 2: Convert to fraction form
    4,697.67/7,046.50 = 3,819.12/x
  3. Step 3: Cross multiply
    4,697.67x = 7,046.50 × 3,819.12
  4. Step 4: Simplify right side
    4,697.67x = 26,911,429.08
  5. Step 5: Solve for x
    x = 26,911,429.08/4,697.67
  6. Step 6: Final answer
    x = 5,728.68

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Half scale
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Double scale
Find fourth proportional to 4,698.67, 7,048 and 3,820.12
Similar ratio
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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.