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Finding the Fourth Proportional to 3,046.37, 4,569.54 and 855.10

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Solution

The fourth proportional to 3,046.37, 4,569.54 and 855.10 is: 1,282.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.37 : 4,569.54 = 855.10 : x
  2. Step 2: Convert to fraction form
    3,046.37/4,569.54 = 855.10/x
  3. Step 3: Cross multiply
    3,046.37x = 4,569.54 × 855.10
  4. Step 4: Simplify right side
    3,046.37x = 3,907,425.08
  5. Step 5: Solve for x
    x = 3,907,425.08/3,046.37
  6. Step 6: Final answer
    x = 1,282.65

Related Problems

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Half scale
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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.