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Finding the Fourth Proportional to 9,305.49, 12,841.51 and 5,056.51

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Solution

The fourth proportional to 9,305.49, 12,841.51 and 5,056.51 is: 6,977.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,305.49 : 12,841.51 = 5,056.51 : x
  2. Step 2: Convert to fraction form
    9,305.49/12,841.51 = 5,056.51/x
  3. Step 3: Cross multiply
    9,305.49x = 12,841.51 × 5,056.51
  4. Step 4: Simplify right side
    9,305.49x = 64,933,223.73
  5. Step 5: Solve for x
    x = 64,933,223.73/9,305.49
  6. Step 6: Final answer
    x = 6,977.95

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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.