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Finding the Fourth Proportional to 7,000.56, 10,503.74 and 2,839.52

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Solution

The fourth proportional to 7,000.56, 10,503.74 and 2,839.52 is: 4,260.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.56 : 10,503.74 = 2,839.52 : x
  2. Step 2: Convert to fraction form
    7,000.56/10,503.74 = 2,839.52/x
  3. Step 3: Cross multiply
    7,000.56x = 10,503.74 × 2,839.52
  4. Step 4: Simplify right side
    7,000.56x = 29,825,613.16
  5. Step 5: Solve for x
    x = 29,825,613.16/7,000.56
  6. Step 6: Final answer
    x = 4,260.46

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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.