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Finding the Fourth Proportional to 35,162.71, 52,720.63 and 19,375.16

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Solution

The fourth proportional to 35,162.71, 52,720.63 and 19,375.16 is: 29,049.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,162.71 : 52,720.63 = 19,375.16 : x
  2. Step 2: Convert to fraction form
    35,162.71/52,720.63 = 19,375.16/x
  3. Step 3: Cross multiply
    35,162.71x = 52,720.63 × 19,375.16
  4. Step 4: Simplify right side
    35,162.71x = 1,021,470,329.51
  5. Step 5: Solve for x
    x = 1,021,470,329.51/35,162.71
  6. Step 6: Final answer
    x = 29,049.82

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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.