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Finding the Fourth Proportional to 39,240.36, 58,852 and 14,281

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Solution

The fourth proportional to 39,240.36, 58,852 and 14,281 is: 21,418.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,240.36 : 58,852 = 14,281 : x
  2. Step 2: Convert to fraction form
    39,240.36/58,852 = 14,281/x
  3. Step 3: Cross multiply
    39,240.36x = 58,852 × 14,281
  4. Step 4: Simplify right side
    39,240.36x = 840,465,412
  5. Step 5: Solve for x
    x = 840,465,412/39,240.36
  6. Step 6: Final answer
    x = 21,418.39

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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.