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Finding the Fourth Proportional to 8,964.08, 12,370.52 and 5,238.08

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Solution

The fourth proportional to 8,964.08, 12,370.52 and 5,238.08 is: 7,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.08 : 12,370.52 = 5,238.08 : x
  2. Step 2: Convert to fraction form
    8,964.08/12,370.52 = 5,238.08/x
  3. Step 3: Cross multiply
    8,964.08x = 12,370.52 × 5,238.08
  4. Step 4: Simplify right side
    8,964.08x = 64,797,773.40
  5. Step 5: Solve for x
    x = 64,797,773.40/8,964.08
  6. Step 6: Final answer
    x = 7,228.60

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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.