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Finding the Fourth Proportional to 74,011.97, 110,934.72 and 36,492.63

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Solution

The fourth proportional to 74,011.97, 110,934.72 and 36,492.63 is: 54,697.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,011.97 : 110,934.72 = 36,492.63 : x
  2. Step 2: Convert to fraction form
    74,011.97/110,934.72 = 36,492.63/x
  3. Step 3: Cross multiply
    74,011.97x = 110,934.72 × 36,492.63
  4. Step 4: Simplify right side
    74,011.97x = 4,048,299,691.11
  5. Step 5: Solve for x
    x = 4,048,299,691.11/74,011.97
  6. Step 6: Final answer
    x = 54,697.91

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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.