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Finding the Fourth Proportional to 52,751.37, 79,101.54 and 19,487.10

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Solution

The fourth proportional to 52,751.37, 79,101.54 and 19,487.10 is: 29,221.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,751.37 : 79,101.54 = 19,487.10 : x
  2. Step 2: Convert to fraction form
    52,751.37/79,101.54 = 19,487.10/x
  3. Step 3: Cross multiply
    52,751.37x = 79,101.54 × 19,487.10
  4. Step 4: Simplify right side
    52,751.37x = 1,541,459,620.13
  5. Step 5: Solve for x
    x = 1,541,459,620.13/52,751.37
  6. Step 6: Final answer
    x = 29,221.22

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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.