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Finding the Fourth Proportional to 15,259.77, 22,893.80 and 13,795.88

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Solution

The fourth proportional to 15,259.77, 22,893.80 and 13,795.88 is: 20,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,259.77 : 22,893.80 = 13,795.88 : x
  2. Step 2: Convert to fraction form
    15,259.77/22,893.80 = 13,795.88/x
  3. Step 3: Cross multiply
    15,259.77x = 22,893.80 × 13,795.88
  4. Step 4: Simplify right side
    15,259.77x = 315,839,934.10
  5. Step 5: Solve for x
    x = 315,839,934.10/15,259.77
  6. Step 6: Final answer
    x = 20,697.56

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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.