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Finding the Fourth Proportional to 52,848.64, 79,209.78 and 40,270.96

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Solution

The fourth proportional to 52,848.64, 79,209.78 and 40,270.96 is: 60,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,848.64 : 79,209.78 = 40,270.96 : x
  2. Step 2: Convert to fraction form
    52,848.64/79,209.78 = 40,270.96/x
  3. Step 3: Cross multiply
    52,848.64x = 79,209.78 × 40,270.96
  4. Step 4: Simplify right side
    52,848.64x = 3,189,853,881.99
  5. Step 5: Solve for x
    x = 3,189,853,881.99/52,848.64
  6. Step 6: Final answer
    x = 60,358.30

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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.