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Finding the Fourth Proportional to 14,649.32, 21,946.44 and 7,245.11

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Solution

The fourth proportional to 14,649.32, 21,946.44 and 7,245.11 is: 10,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.32 : 21,946.44 = 7,245.11 : x
  2. Step 2: Convert to fraction form
    14,649.32/21,946.44 = 7,245.11/x
  3. Step 3: Cross multiply
    14,649.32x = 21,946.44 × 7,245.11
  4. Step 4: Simplify right side
    14,649.32x = 159,004,453.94
  5. Step 5: Solve for x
    x = 159,004,453.94/14,649.32
  6. Step 6: Final answer
    x = 10,854.05

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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.