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Finding the Fourth Proportional to 7,000.75, 10,500.54 and 2,319.23

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Solution

The fourth proportional to 7,000.75, 10,500.54 and 2,319.23 is: 3,478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.75 : 10,500.54 = 2,319.23 : x
  2. Step 2: Convert to fraction form
    7,000.75/10,500.54 = 2,319.23/x
  3. Step 3: Cross multiply
    7,000.75x = 10,500.54 × 2,319.23
  4. Step 4: Simplify right side
    7,000.75x = 24,353,103.29
  5. Step 5: Solve for x
    x = 24,353,103.29/7,000.75
  6. Step 6: Final answer
    x = 3,478.64

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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.