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Finding the Fourth Proportional to 35,103.20, 52,669.20 and 12,927.20

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Solution

The fourth proportional to 35,103.20, 52,669.20 and 12,927.20 is: 19,396.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,103.20 : 52,669.20 = 12,927.20 : x
  2. Step 2: Convert to fraction form
    35,103.20/52,669.20 = 12,927.20/x
  3. Step 3: Cross multiply
    35,103.20x = 52,669.20 × 12,927.20
  4. Step 4: Simplify right side
    35,103.20x = 680,865,282.24
  5. Step 5: Solve for x
    x = 680,865,282.24/35,103.20
  6. Step 6: Final answer
    x = 19,396.10

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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.