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Finding the Fourth Proportional to 8,847.57, 12,204.57 and 5,308.74

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Solution

The fourth proportional to 8,847.57, 12,204.57 and 5,308.74 is: 7,323.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,847.57 : 12,204.57 = 5,308.74 : x
  2. Step 2: Convert to fraction form
    8,847.57/12,204.57 = 5,308.74/x
  3. Step 3: Cross multiply
    8,847.57x = 12,204.57 × 5,308.74
  4. Step 4: Simplify right side
    8,847.57x = 64,790,888.94
  5. Step 5: Solve for x
    x = 64,790,888.94/8,847.57
  6. Step 6: Final answer
    x = 7,323.02

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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.