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Finding the Fourth Proportional to 16,577.60, 24,837.60 and 13,985.60

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Solution

The fourth proportional to 16,577.60, 24,837.60 and 13,985.60 is: 20,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,577.60 : 24,837.60 = 13,985.60 : x
  2. Step 2: Convert to fraction form
    16,577.60/24,837.60 = 13,985.60/x
  3. Step 3: Cross multiply
    16,577.60x = 24,837.60 × 13,985.60
  4. Step 4: Simplify right side
    16,577.60x = 347,368,738.56
  5. Step 5: Solve for x
    x = 347,368,738.56/16,577.60
  6. Step 6: Final answer
    x = 20,954.10

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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.