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Finding the Fourth Proportional to 4,821.94, 7,232.91 and 1,900.23

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Solution

The fourth proportional to 4,821.94, 7,232.91 and 1,900.23 is: 2,850.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.94 : 7,232.91 = 1,900.23 : x
  2. Step 2: Convert to fraction form
    4,821.94/7,232.91 = 1,900.23/x
  3. Step 3: Cross multiply
    4,821.94x = 7,232.91 × 1,900.23
  4. Step 4: Simplify right side
    4,821.94x = 13,744,192.57
  5. Step 5: Solve for x
    x = 13,744,192.57/4,821.94
  6. Step 6: Final answer
    x = 2,850.35

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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.