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Finding the Fourth Proportional to 9,008.36, 12,423.36 and 5,651.48

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Solution

The fourth proportional to 9,008.36, 12,423.36 and 5,651.48 is: 7,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,008.36 : 12,423.36 = 5,651.48 : x
  2. Step 2: Convert to fraction form
    9,008.36/12,423.36 = 5,651.48/x
  3. Step 3: Cross multiply
    9,008.36x = 12,423.36 × 5,651.48
  4. Step 4: Simplify right side
    9,008.36x = 70,210,370.57
  5. Step 5: Solve for x
    x = 70,210,370.57/9,008.36
  6. Step 6: Final answer
    x = 7,793.91

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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.