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Finding the Fourth Proportional to 56,314.69, 84,474.84 and 16,868.04

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Solution

The fourth proportional to 56,314.69, 84,474.84 and 16,868.04 is: 25,302.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,314.69 : 84,474.84 = 16,868.04 : x
  2. Step 2: Convert to fraction form
    56,314.69/84,474.84 = 16,868.04/x
  3. Step 3: Cross multiply
    56,314.69x = 84,474.84 × 16,868.04
  4. Step 4: Simplify right side
    56,314.69x = 1,424,924,980.11
  5. Step 5: Solve for x
    x = 1,424,924,980.11/56,314.69
  6. Step 6: Final answer
    x = 25,302.90

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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.