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Finding the Fourth Proportional to 37,696.80, 56,573.28 and 14,368.80

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Solution

The fourth proportional to 37,696.80, 56,573.28 and 14,368.80 is: 21,563.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,696.80 : 56,573.28 = 14,368.80 : x
  2. Step 2: Convert to fraction form
    37,696.80/56,573.28 = 14,368.80/x
  3. Step 3: Cross multiply
    37,696.80x = 56,573.28 × 14,368.80
  4. Step 4: Simplify right side
    37,696.80x = 812,890,145.66
  5. Step 5: Solve for x
    x = 812,890,145.66/37,696.80
  6. Step 6: Final answer
    x = 21,563.90

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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.