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Finding the Fourth Proportional to 17,506.70, 26,258.94 and 7,118.18

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Solution

The fourth proportional to 17,506.70, 26,258.94 and 7,118.18 is: 10,676.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,506.70 : 26,258.94 = 7,118.18 : x
  2. Step 2: Convert to fraction form
    17,506.70/26,258.94 = 7,118.18/x
  3. Step 3: Cross multiply
    17,506.70x = 26,258.94 × 7,118.18
  4. Step 4: Simplify right side
    17,506.70x = 186,915,861.53
  5. Step 5: Solve for x
    x = 186,915,861.53/17,506.70
  6. Step 6: Final answer
    x = 10,676.82

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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.