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Finding the Fourth Proportional to 52,758.84, 79,146.90 and 25,047.48

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Solution

The fourth proportional to 52,758.84, 79,146.90 and 25,047.48 is: 37,575.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,758.84 : 79,146.90 = 25,047.48 : x
  2. Step 2: Convert to fraction form
    52,758.84/79,146.90 = 25,047.48/x
  3. Step 3: Cross multiply
    52,758.84x = 79,146.90 × 25,047.48
  4. Step 4: Simplify right side
    52,758.84x = 1,982,430,394.81
  5. Step 5: Solve for x
    x = 1,982,430,394.81/52,758.84
  6. Step 6: Final answer
    x = 37,575.32

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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.