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Finding the Fourth Proportional to 8,598.03, 12,879.45 and 5,077.42

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Solution

The fourth proportional to 8,598.03, 12,879.45 and 5,077.42 is: 7,605.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.03 : 12,879.45 = 5,077.42 : x
  2. Step 2: Convert to fraction form
    8,598.03/12,879.45 = 5,077.42/x
  3. Step 3: Cross multiply
    8,598.03x = 12,879.45 × 5,077.42
  4. Step 4: Simplify right side
    8,598.03x = 65,394,287.23
  5. Step 5: Solve for x
    x = 65,394,287.23/8,598.03
  6. Step 6: Final answer
    x = 7,605.73

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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.