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Finding the Fourth Proportional to 4,888.55, 7,334.96 and 4,193.57

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Solution

The fourth proportional to 4,888.55, 7,334.96 and 4,193.57 is: 6,292.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.55 : 7,334.96 = 4,193.57 : x
  2. Step 2: Convert to fraction form
    4,888.55/7,334.96 = 4,193.57/x
  3. Step 3: Cross multiply
    4,888.55x = 7,334.96 × 4,193.57
  4. Step 4: Simplify right side
    4,888.55x = 30,759,665.58
  5. Step 5: Solve for x
    x = 30,759,665.58/4,888.55
  6. Step 6: Final answer
    x = 6,292.18

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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.