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Finding the Fourth Proportional to 5,250.34, 7,245.12 and 3,012.58

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Solution

The fourth proportional to 5,250.34, 7,245.12 and 3,012.58 is: 4,157.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.34 : 7,245.12 = 3,012.58 : x
  2. Step 2: Convert to fraction form
    5,250.34/7,245.12 = 3,012.58/x
  3. Step 3: Cross multiply
    5,250.34x = 7,245.12 × 3,012.58
  4. Step 4: Simplify right side
    5,250.34x = 21,826,503.61
  5. Step 5: Solve for x
    x = 21,826,503.61/5,250.34
  6. Step 6: Final answer
    x = 4,157.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.