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Finding the Fourth Proportional to 8,153.94, 12,230.52 and 2,888.86

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Solution

The fourth proportional to 8,153.94, 12,230.52 and 2,888.86 is: 4,333.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.94 : 12,230.52 = 2,888.86 : x
  2. Step 2: Convert to fraction form
    8,153.94/12,230.52 = 2,888.86/x
  3. Step 3: Cross multiply
    8,153.94x = 12,230.52 × 2,888.86
  4. Step 4: Simplify right side
    8,153.94x = 35,332,275.30
  5. Step 5: Solve for x
    x = 35,332,275.30/8,153.94
  6. Step 6: Final answer
    x = 4,333.16

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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.