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Finding the Fourth Proportional to 16,948.19, 25,423.92 and 5,258.27

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Solution

The fourth proportional to 16,948.19, 25,423.92 and 5,258.27 is: 7,887.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,948.19 : 25,423.92 = 5,258.27 : x
  2. Step 2: Convert to fraction form
    16,948.19/25,423.92 = 5,258.27/x
  3. Step 3: Cross multiply
    16,948.19x = 25,423.92 × 5,258.27
  4. Step 4: Simplify right side
    16,948.19x = 133,685,708.70
  5. Step 5: Solve for x
    x = 133,685,708.70/16,948.19
  6. Step 6: Final answer
    x = 7,887.91

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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.