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Finding the Fourth Proportional to 35,016, 52,523.90 and 8,720.76

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Solution

The fourth proportional to 35,016, 52,523.90 and 8,720.76 is: 13,081.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,016 : 52,523.90 = 8,720.76 : x
  2. Step 2: Convert to fraction form
    35,016/52,523.90 = 8,720.76/x
  3. Step 3: Cross multiply
    35,016x = 52,523.90 × 8,720.76
  4. Step 4: Simplify right side
    35,016x = 458,048,326.16
  5. Step 5: Solve for x
    x = 458,048,326.16/35,016
  6. Step 6: Final answer
    x = 13,081.12

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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.