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Finding the Fourth Proportional to 52,700.58, 79,054.98 and 15,261.21

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Solution

The fourth proportional to 52,700.58, 79,054.98 and 15,261.21 is: 22,893.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,700.58 : 79,054.98 = 15,261.21 : x
  2. Step 2: Convert to fraction form
    52,700.58/79,054.98 = 15,261.21/x
  3. Step 3: Cross multiply
    52,700.58x = 79,054.98 × 15,261.21
  4. Step 4: Simplify right side
    52,700.58x = 1,206,474,651.33
  5. Step 5: Solve for x
    x = 1,206,474,651.33/52,700.58
  6. Step 6: Final answer
    x = 22,893.01

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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.