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Finding the Fourth Proportional to 7,173, 9,896.31 and 4,521.06

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Solution

The fourth proportional to 7,173, 9,896.31 and 4,521.06 is: 6,237.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173 : 9,896.31 = 4,521.06 : x
  2. Step 2: Convert to fraction form
    7,173/9,896.31 = 4,521.06/x
  3. Step 3: Cross multiply
    7,173x = 9,896.31 × 4,521.06
  4. Step 4: Simplify right side
    7,173x = 44,741,811.29
  5. Step 5: Solve for x
    x = 44,741,811.29/7,173
  6. Step 6: Final answer
    x = 6,237.53

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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.