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Finding the Fourth Proportional to 18,056.96, 24,894.72 and 13,016.96

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Solution

The fourth proportional to 18,056.96, 24,894.72 and 13,016.96 is: 17,946.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,056.96 : 24,894.72 = 13,016.96 : x
  2. Step 2: Convert to fraction form
    18,056.96/24,894.72 = 13,016.96/x
  3. Step 3: Cross multiply
    18,056.96x = 24,894.72 × 13,016.96
  4. Step 4: Simplify right side
    18,056.96x = 324,053,574.45
  5. Step 5: Solve for x
    x = 324,053,574.45/18,056.96
  6. Step 6: Final answer
    x = 17,946.19

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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.