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Finding the Fourth Proportional to 24,884.40, 34,340.40 and 13,706.40

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Solution

The fourth proportional to 24,884.40, 34,340.40 and 13,706.40 is: 18,914.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,884.40 : 34,340.40 = 13,706.40 : x
  2. Step 2: Convert to fraction form
    24,884.40/34,340.40 = 13,706.40/x
  3. Step 3: Cross multiply
    24,884.40x = 34,340.40 × 13,706.40
  4. Step 4: Simplify right side
    24,884.40x = 470,683,258.56
  5. Step 5: Solve for x
    x = 470,683,258.56/24,884.40
  6. Step 6: Final answer
    x = 18,914.79

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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.