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Finding the Fourth Proportional to 6,526.12, 9,789.90 and 2,630.92

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Solution

The fourth proportional to 6,526.12, 9,789.90 and 2,630.92 is: 3,946.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,526.12 : 9,789.90 = 2,630.92 : x
  2. Step 2: Convert to fraction form
    6,526.12/9,789.90 = 2,630.92/x
  3. Step 3: Cross multiply
    6,526.12x = 9,789.90 × 2,630.92
  4. Step 4: Simplify right side
    6,526.12x = 25,756,443.71
  5. Step 5: Solve for x
    x = 25,756,443.71/6,526.12
  6. Step 6: Final answer
    x = 3,946.67

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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.