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Finding the Fourth Proportional to 4,925.99, 7,388.99 and 3,285.74

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Solution

The fourth proportional to 4,925.99, 7,388.99 and 3,285.74 is: 4,928.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,925.99 : 7,388.99 = 3,285.74 : x
  2. Step 2: Convert to fraction form
    4,925.99/7,388.99 = 3,285.74/x
  3. Step 3: Cross multiply
    4,925.99x = 7,388.99 × 3,285.74
  4. Step 4: Simplify right side
    4,925.99x = 24,278,283.57
  5. Step 5: Solve for x
    x = 24,278,283.57/4,925.99
  6. Step 6: Final answer
    x = 4,928.61

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Double scale
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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.