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Finding the Fourth Proportional to 49,592.63, 74,388.95 and 12,656.63

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Solution

The fourth proportional to 49,592.63, 74,388.95 and 12,656.63 is: 18,984.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,592.63 : 74,388.95 = 12,656.63 : x
  2. Step 2: Convert to fraction form
    49,592.63/74,388.95 = 12,656.63/x
  3. Step 3: Cross multiply
    49,592.63x = 74,388.95 × 12,656.63
  4. Step 4: Simplify right side
    49,592.63x = 941,512,981.01
  5. Step 5: Solve for x
    x = 941,512,981.01/49,592.63
  6. Step 6: Final answer
    x = 18,984.94

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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.