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Finding the Fourth Proportional to 35,927.68, 53,889.60 and 12,553.60

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Solution

The fourth proportional to 35,927.68, 53,889.60 and 12,553.60 is: 18,829.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,927.68 : 53,889.60 = 12,553.60 : x
  2. Step 2: Convert to fraction form
    35,927.68/53,889.60 = 12,553.60/x
  3. Step 3: Cross multiply
    35,927.68x = 53,889.60 × 12,553.60
  4. Step 4: Simplify right side
    35,927.68x = 676,508,482.56
  5. Step 5: Solve for x
    x = 676,508,482.56/35,927.68
  6. Step 6: Final answer
    x = 18,829.73

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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.