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Finding the Fourth Proportional to 23,661.92, 35,505.93 and 13,678.94

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Solution

The fourth proportional to 23,661.92, 35,505.93 and 13,678.94 is: 20,525.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,661.92 : 35,505.93 = 13,678.94 : x
  2. Step 2: Convert to fraction form
    23,661.92/35,505.93 = 13,678.94/x
  3. Step 3: Cross multiply
    23,661.92x = 35,505.93 × 13,678.94
  4. Step 4: Simplify right side
    23,661.92x = 485,683,486.11
  5. Step 5: Solve for x
    x = 485,683,486.11/23,661.92
  6. Step 6: Final answer
    x = 20,525.95

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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.