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Finding the Fourth Proportional to 52,900.94, 79,312.52 and 25,218.38

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Solution

The fourth proportional to 52,900.94, 79,312.52 and 25,218.38 is: 37,809.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,900.94 : 79,312.52 = 25,218.38 : x
  2. Step 2: Convert to fraction form
    52,900.94/79,312.52 = 25,218.38/x
  3. Step 3: Cross multiply
    52,900.94x = 79,312.52 × 25,218.38
  4. Step 4: Simplify right side
    52,900.94x = 2,000,133,268.12
  5. Step 5: Solve for x
    x = 2,000,133,268.12/52,900.94
  6. Step 6: Final answer
    x = 37,809.03

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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.