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Finding the Fourth Proportional to 12,473.10, 17,206.86 and 7,435.74

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Solution

The fourth proportional to 12,473.10, 17,206.86 and 7,435.74 is: 10,257.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.10 : 17,206.86 = 7,435.74 : x
  2. Step 2: Convert to fraction form
    12,473.10/17,206.86 = 7,435.74/x
  3. Step 3: Cross multiply
    12,473.10x = 17,206.86 × 7,435.74
  4. Step 4: Simplify right side
    12,473.10x = 127,945,737.18
  5. Step 5: Solve for x
    x = 127,945,737.18/12,473.10
  6. Step 6: Final answer
    x = 10,257.73

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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.