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Finding the Fourth Proportional to 10,626.21, 16,010.21 and 9,626.81

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Solution

The fourth proportional to 10,626.21, 16,010.21 and 9,626.81 is: 14,504.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,626.21 : 16,010.21 = 9,626.81 : x
  2. Step 2: Convert to fraction form
    10,626.21/16,010.21 = 9,626.81/x
  3. Step 3: Cross multiply
    10,626.21x = 16,010.21 × 9,626.81
  4. Step 4: Simplify right side
    10,626.21x = 154,127,193.75
  5. Step 5: Solve for x
    x = 154,127,193.75/10,626.21
  6. Step 6: Final answer
    x = 14,504.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.