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Finding the Fourth Proportional to 52,873.88, 79,312.97 and 13,432.01

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Solution

The fourth proportional to 52,873.88, 79,312.97 and 13,432.01 is: 20,148.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,873.88 : 79,312.97 = 13,432.01 : x
  2. Step 2: Convert to fraction form
    52,873.88/79,312.97 = 13,432.01/x
  3. Step 3: Cross multiply
    52,873.88x = 79,312.97 × 13,432.01
  4. Step 4: Simplify right side
    52,873.88x = 1,065,332,243.18
  5. Step 5: Solve for x
    x = 1,065,332,243.18/52,873.88
  6. Step 6: Final answer
    x = 20,148.56

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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.