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Finding the Fourth Proportional to 7,000.20, 9,660.60 and 4,764.60

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Solution

The fourth proportional to 7,000.20, 9,660.60 and 4,764.60 is: 6,575.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,000.20 : 9,660.60 = 4,764.60 : x
  2. Step 2: Convert to fraction form
    7,000.20/9,660.60 = 4,764.60/x
  3. Step 3: Cross multiply
    7,000.20x = 9,660.60 × 4,764.60
  4. Step 4: Simplify right side
    7,000.20x = 46,028,894.76
  5. Step 5: Solve for x
    x = 46,028,894.76/7,000.20
  6. Step 6: Final answer
    x = 6,575.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.