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Finding the Fourth Proportional to 10,804.60, 16,223.10 and 7,532.20

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Solution

The fourth proportional to 10,804.60, 16,223.10 and 7,532.20 is: 11,309.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,804.60 : 16,223.10 = 7,532.20 : x
  2. Step 2: Convert to fraction form
    10,804.60/16,223.10 = 7,532.20/x
  3. Step 3: Cross multiply
    10,804.60x = 16,223.10 × 7,532.20
  4. Step 4: Simplify right side
    10,804.60x = 122,195,633.82
  5. Step 5: Solve for x
    x = 122,195,633.82/10,804.60
  6. Step 6: Final answer
    x = 11,309.59

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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.