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Finding the Fourth Proportional to 52,734.80, 79,061.70 and 26,458.40

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Solution

The fourth proportional to 52,734.80, 79,061.70 and 26,458.40 is: 39,667.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,734.80 : 79,061.70 = 26,458.40 : x
  2. Step 2: Convert to fraction form
    52,734.80/79,061.70 = 26,458.40/x
  3. Step 3: Cross multiply
    52,734.80x = 79,061.70 × 26,458.40
  4. Step 4: Simplify right side
    52,734.80x = 2,091,846,083.28
  5. Step 5: Solve for x
    x = 2,091,846,083.28/52,734.80
  6. Step 6: Final answer
    x = 39,667.28

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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.