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Finding the Fourth Proportional to 12,670.96, 17,463.84 and 10,895.44

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Solution

The fourth proportional to 12,670.96, 17,463.84 and 10,895.44 is: 15,016.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670.96 : 17,463.84 = 10,895.44 : x
  2. Step 2: Convert to fraction form
    12,670.96/17,463.84 = 10,895.44/x
  3. Step 3: Cross multiply
    12,670.96x = 17,463.84 × 10,895.44
  4. Step 4: Simplify right side
    12,670.96x = 190,276,220.89
  5. Step 5: Solve for x
    x = 190,276,220.89/12,670.96
  6. Step 6: Final answer
    x = 15,016.72

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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.