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Finding the Fourth Proportional to 52,874.88, 79,314.47 and 13,433.01

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Solution

The fourth proportional to 52,874.88, 79,314.47 and 13,433.01 is: 20,150.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,874.88 : 79,314.47 = 13,433.01 : x
  2. Step 2: Convert to fraction form
    52,874.88/79,314.47 = 13,433.01/x
  3. Step 3: Cross multiply
    52,874.88x = 79,314.47 × 13,433.01
  4. Step 4: Simplify right side
    52,874.88x = 1,065,432,068.65
  5. Step 5: Solve for x
    x = 1,065,432,068.65/52,874.88
  6. Step 6: Final answer
    x = 20,150.06

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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.