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Finding the Fourth Proportional to 35,203.88, 52,772.88 and 13,011.20

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Solution

The fourth proportional to 35,203.88, 52,772.88 and 13,011.20 is: 19,504.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,203.88 : 52,772.88 = 13,011.20 : x
  2. Step 2: Convert to fraction form
    35,203.88/52,772.88 = 13,011.20/x
  3. Step 3: Cross multiply
    35,203.88x = 52,772.88 × 13,011.20
  4. Step 4: Simplify right side
    35,203.88x = 686,638,496.26
  5. Step 5: Solve for x
    x = 686,638,496.26/35,203.88
  6. Step 6: Final answer
    x = 19,504.63

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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.