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Finding the Fourth Proportional to 3,050.06, 4,575.12 and 858.83

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Solution

The fourth proportional to 3,050.06, 4,575.12 and 858.83 is: 1,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,050.06 : 4,575.12 = 858.83 : x
  2. Step 2: Convert to fraction form
    3,050.06/4,575.12 = 858.83/x
  3. Step 3: Cross multiply
    3,050.06x = 4,575.12 × 858.83
  4. Step 4: Simplify right side
    3,050.06x = 3,929,250.31
  5. Step 5: Solve for x
    x = 3,929,250.31/3,050.06
  6. Step 6: Final answer
    x = 1,288.25

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.