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Finding the Fourth Proportional to 52,755.87, 79,141.62 and 15,316.25

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Solution

The fourth proportional to 52,755.87, 79,141.62 and 15,316.25 is: 22,976.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,755.87 : 79,141.62 = 15,316.25 : x
  2. Step 2: Convert to fraction form
    52,755.87/79,141.62 = 15,316.25/x
  3. Step 3: Cross multiply
    52,755.87x = 79,141.62 × 15,316.25
  4. Step 4: Simplify right side
    52,755.87x = 1,212,152,837.33
  5. Step 5: Solve for x
    x = 1,212,152,837.33/52,755.87
  6. Step 6: Final answer
    x = 22,976.64

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1.5x scale

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.