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Finding the Fourth Proportional to 22,655.37, 33,972.50 and 8,618.01

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Solution

The fourth proportional to 22,655.37, 33,972.50 and 8,618.01 is: 12,923.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,655.37 : 33,972.50 = 8,618.01 : x
  2. Step 2: Convert to fraction form
    22,655.37/33,972.50 = 8,618.01/x
  3. Step 3: Cross multiply
    22,655.37x = 33,972.50 × 8,618.01
  4. Step 4: Simplify right side
    22,655.37x = 292,775,301.63
  5. Step 5: Solve for x
    x = 292,775,301.63/22,655.37
  6. Step 6: Final answer
    x = 12,923.00

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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.