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Finding the Fourth Proportional to 9,285.64, 12,814.18 and 5,093.88

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Solution

The fourth proportional to 9,285.64, 12,814.18 and 5,093.88 is: 7,029.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.64 : 12,814.18 = 5,093.88 : x
  2. Step 2: Convert to fraction form
    9,285.64/12,814.18 = 5,093.88/x
  3. Step 3: Cross multiply
    9,285.64x = 12,814.18 × 5,093.88
  4. Step 4: Simplify right side
    9,285.64x = 65,273,895.22
  5. Step 5: Solve for x
    x = 65,273,895.22/9,285.64
  6. Step 6: Final answer
    x = 7,029.55

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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.