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Finding the Fourth Proportional to 37,060, 51,143.28 and 20,292.64

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Solution

The fourth proportional to 37,060, 51,143.28 and 20,292.64 is: 28,004.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,060 : 51,143.28 = 20,292.64 : x
  2. Step 2: Convert to fraction form
    37,060/51,143.28 = 20,292.64/x
  3. Step 3: Cross multiply
    37,060x = 51,143.28 × 20,292.64
  4. Step 4: Simplify right side
    37,060x = 1,037,832,169.46
  5. Step 5: Solve for x
    x = 1,037,832,169.46/37,060
  6. Step 6: Final answer
    x = 28,004.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.