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Finding the Fourth Proportional to 23,989.79, 35,984.69 and 12,901.70

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Solution

The fourth proportional to 23,989.79, 35,984.69 and 12,901.70 is: 19,352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,989.79 : 35,984.69 = 12,901.70 : x
  2. Step 2: Convert to fraction form
    23,989.79/35,984.69 = 12,901.70/x
  3. Step 3: Cross multiply
    23,989.79x = 35,984.69 × 12,901.70
  4. Step 4: Simplify right side
    23,989.79x = 464,263,674.97
  5. Step 5: Solve for x
    x = 464,263,674.97/23,989.79
  6. Step 6: Final answer
    x = 19,352.55

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Similar ratio
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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.