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Finding the Fourth Proportional to 14,820.72, 22,227.48 and 6,918.24

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Solution

The fourth proportional to 14,820.72, 22,227.48 and 6,918.24 is: 10,375.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.72 : 22,227.48 = 6,918.24 : x
  2. Step 2: Convert to fraction form
    14,820.72/22,227.48 = 6,918.24/x
  3. Step 3: Cross multiply
    14,820.72x = 22,227.48 × 6,918.24
  4. Step 4: Simplify right side
    14,820.72x = 153,775,041.24
  5. Step 5: Solve for x
    x = 153,775,041.24/14,820.72
  6. Step 6: Final answer
    x = 10,375.68

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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.