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Finding the Fourth Proportional to 52,734.95, 79,108.95 and 19,455.19

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Solution

The fourth proportional to 52,734.95, 79,108.95 and 19,455.19 is: 29,185.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,734.95 : 79,108.95 = 19,455.19 : x
  2. Step 2: Convert to fraction form
    52,734.95/79,108.95 = 19,455.19/x
  3. Step 3: Cross multiply
    52,734.95x = 79,108.95 × 19,455.19
  4. Step 4: Simplify right side
    52,734.95x = 1,539,079,528.14
  5. Step 5: Solve for x
    x = 1,539,079,528.14/52,734.95
  6. Step 6: Final answer
    x = 29,185.19

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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.