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Finding the Fourth Proportional to 52,970.56, 79,473.12 and 25,264.96

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Solution

The fourth proportional to 52,970.56, 79,473.12 and 25,264.96 is: 37,905.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,970.56 : 79,473.12 = 25,264.96 : x
  2. Step 2: Convert to fraction form
    52,970.56/79,473.12 = 25,264.96/x
  3. Step 3: Cross multiply
    52,970.56x = 79,473.12 × 25,264.96
  4. Step 4: Simplify right side
    52,970.56x = 2,007,885,197.88
  5. Step 5: Solve for x
    x = 2,007,885,197.88/52,970.56
  6. Step 6: Final answer
    x = 37,905.68

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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.