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Finding the Fourth Proportional to 12,473.44, 18,713.16 and 4,153.53

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Solution

The fourth proportional to 12,473.44, 18,713.16 and 4,153.53 is: 6,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.44 : 18,713.16 = 4,153.53 : x
  2. Step 2: Convert to fraction form
    12,473.44/18,713.16 = 4,153.53/x
  3. Step 3: Cross multiply
    12,473.44x = 18,713.16 × 4,153.53
  4. Step 4: Simplify right side
    12,473.44x = 77,725,703.63
  5. Step 5: Solve for x
    x = 77,725,703.63/12,473.44
  6. Step 6: Final answer
    x = 6,231.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.