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Finding the Fourth Proportional to 35,153.92, 52,737.88 and 12,967.40

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Solution

The fourth proportional to 35,153.92, 52,737.88 and 12,967.40 is: 19,453.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,153.92 : 52,737.88 = 12,967.40 : x
  2. Step 2: Convert to fraction form
    35,153.92/52,737.88 = 12,967.40/x
  3. Step 3: Cross multiply
    35,153.92x = 52,737.88 × 12,967.40
  4. Step 4: Simplify right side
    35,153.92x = 683,873,185.11
  5. Step 5: Solve for x
    x = 683,873,185.11/35,153.92
  6. Step 6: Final answer
    x = 19,453.68

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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.