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Finding the Fourth Proportional to 35,197.66, 52,787.22 and 13,017.39

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Solution

The fourth proportional to 35,197.66, 52,787.22 and 13,017.39 is: 19,522.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,197.66 : 52,787.22 = 13,017.39 : x
  2. Step 2: Convert to fraction form
    35,197.66/52,787.22 = 13,017.39/x
  3. Step 3: Cross multiply
    35,197.66x = 52,787.22 × 13,017.39
  4. Step 4: Simplify right side
    35,197.66x = 687,151,829.76
  5. Step 5: Solve for x
    x = 687,151,829.76/35,197.66
  6. Step 6: Final answer
    x = 19,522.66

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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.