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Finding the Fourth Proportional to 8,604.59, 11,874.58 and 5,246.64

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Solution

The fourth proportional to 8,604.59, 11,874.58 and 5,246.64 is: 7,240.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,604.59 : 11,874.58 = 5,246.64 : x
  2. Step 2: Convert to fraction form
    8,604.59/11,874.58 = 5,246.64/x
  3. Step 3: Cross multiply
    8,604.59x = 11,874.58 × 5,246.64
  4. Step 4: Simplify right side
    8,604.59x = 62,301,633.29
  5. Step 5: Solve for x
    x = 62,301,633.29/8,604.59
  6. Step 6: Final answer
    x = 7,240.52

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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.