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Finding the Fourth Proportional to 39,941.84, 59,918.52 and 12,242

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Solution

The fourth proportional to 39,941.84, 59,918.52 and 12,242 is: 18,364.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,941.84 : 59,918.52 = 12,242 : x
  2. Step 2: Convert to fraction form
    39,941.84/59,918.52 = 12,242/x
  3. Step 3: Cross multiply
    39,941.84x = 59,918.52 × 12,242
  4. Step 4: Simplify right side
    39,941.84x = 733,522,521.84
  5. Step 5: Solve for x
    x = 733,522,521.84/39,941.84
  6. Step 6: Final answer
    x = 18,364.77

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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.