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Finding the Fourth Proportional to 23,927.40, 33,020.46 and 13,316.40

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Solution

The fourth proportional to 23,927.40, 33,020.46 and 13,316.40 is: 18,376.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,927.40 : 33,020.46 = 13,316.40 : x
  2. Step 2: Convert to fraction form
    23,927.40/33,020.46 = 13,316.40/x
  3. Step 3: Cross multiply
    23,927.40x = 33,020.46 × 13,316.40
  4. Step 4: Simplify right side
    23,927.40x = 439,713,653.54
  5. Step 5: Solve for x
    x = 439,713,653.54/23,927.40
  6. Step 6: Final answer
    x = 18,376.99

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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.