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Finding the Fourth Proportional to 37,516, 51,772.08 and 20,751.52

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Solution

The fourth proportional to 37,516, 51,772.08 and 20,751.52 is: 28,637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,516 : 51,772.08 = 20,751.52 : x
  2. Step 2: Convert to fraction form
    37,516/51,772.08 = 20,751.52/x
  3. Step 3: Cross multiply
    37,516x = 51,772.08 × 20,751.52
  4. Step 4: Simplify right side
    37,516x = 1,074,349,353.56
  5. Step 5: Solve for x
    x = 1,074,349,353.56/37,516
  6. Step 6: Final answer
    x = 28,637.10

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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.