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Finding the Fourth Proportional to 35,065.72, 52,619.40 and 14,015.72

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Solution

The fourth proportional to 35,065.72, 52,619.40 and 14,015.72 is: 21,031.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,065.72 : 52,619.40 = 14,015.72 : x
  2. Step 2: Convert to fraction form
    35,065.72/52,619.40 = 14,015.72/x
  3. Step 3: Cross multiply
    35,065.72x = 52,619.40 × 14,015.72
  4. Step 4: Simplify right side
    35,065.72x = 737,498,776.97
  5. Step 5: Solve for x
    x = 737,498,776.97/35,065.72
  6. Step 6: Final answer
    x = 21,031.90

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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.