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Finding the Fourth Proportional to 4,861.68, 7,290.68 and 1,573.89

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Solution

The fourth proportional to 4,861.68, 7,290.68 and 1,573.89 is: 2,360.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.68 : 7,290.68 = 1,573.89 : x
  2. Step 2: Convert to fraction form
    4,861.68/7,290.68 = 1,573.89/x
  3. Step 3: Cross multiply
    4,861.68x = 7,290.68 × 1,573.89
  4. Step 4: Simplify right side
    4,861.68x = 11,474,684.02
  5. Step 5: Solve for x
    x = 11,474,684.02/4,861.68
  6. Step 6: Final answer
    x = 2,360.23

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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.