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Finding the Fourth Proportional to 8,628.02, 12,924.10 and 5,492.52

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Solution

The fourth proportional to 8,628.02, 12,924.10 and 5,492.52 is: 8,227.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.02 : 12,924.10 = 5,492.52 : x
  2. Step 2: Convert to fraction form
    8,628.02/12,924.10 = 5,492.52/x
  3. Step 3: Cross multiply
    8,628.02x = 12,924.10 × 5,492.52
  4. Step 4: Simplify right side
    8,628.02x = 70,985,877.73
  5. Step 5: Solve for x
    x = 70,985,877.73/8,628.02
  6. Step 6: Final answer
    x = 8,227.37

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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.