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Finding the Fourth Proportional to 53,016, 79,525.62 and 16,080

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Solution

The fourth proportional to 53,016, 79,525.62 and 16,080 is: 24,120.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,016 : 79,525.62 = 16,080 : x
  2. Step 2: Convert to fraction form
    53,016/79,525.62 = 16,080/x
  3. Step 3: Cross multiply
    53,016x = 79,525.62 × 16,080
  4. Step 4: Simplify right side
    53,016x = 1,278,771,969.60
  5. Step 5: Solve for x
    x = 1,278,771,969.60/53,016
  6. Step 6: Final answer
    x = 24,120.49

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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.