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Finding the Fourth Proportional to 9,283.11, 12,810.93 and 5,249.61

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Solution

The fourth proportional to 9,283.11, 12,810.93 and 5,249.61 is: 7,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,283.11 : 12,810.93 = 5,249.61 : x
  2. Step 2: Convert to fraction form
    9,283.11/12,810.93 = 5,249.61/x
  3. Step 3: Cross multiply
    9,283.11x = 12,810.93 × 5,249.61
  4. Step 4: Simplify right side
    9,283.11x = 67,252,366.55
  5. Step 5: Solve for x
    x = 67,252,366.55/9,283.11
  6. Step 6: Final answer
    x = 7,244.60

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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.