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Finding the Fourth Proportional to 17,771.40, 26,624.70 and 14,466.60

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Solution

The fourth proportional to 17,771.40, 26,624.70 and 14,466.60 is: 21,673.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,771.40 : 26,624.70 = 14,466.60 : x
  2. Step 2: Convert to fraction form
    17,771.40/26,624.70 = 14,466.60/x
  3. Step 3: Cross multiply
    17,771.40x = 26,624.70 × 14,466.60
  4. Step 4: Simplify right side
    17,771.40x = 385,168,885.02
  5. Step 5: Solve for x
    x = 385,168,885.02/17,771.40
  6. Step 6: Final answer
    x = 21,673.53

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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.