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Finding the Fourth Proportional to 74,011.47, 110,933.97 and 36,492.13

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Solution

The fourth proportional to 74,011.47, 110,933.97 and 36,492.13 is: 54,697.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,011.47 : 110,933.97 = 36,492.13 : x
  2. Step 2: Convert to fraction form
    74,011.47/110,933.97 = 36,492.13/x
  3. Step 3: Cross multiply
    74,011.47x = 110,933.97 × 36,492.13
  4. Step 4: Simplify right side
    74,011.47x = 4,048,216,854.66
  5. Step 5: Solve for x
    x = 4,048,216,854.66/74,011.47
  6. Step 6: Final answer
    x = 54,697.16

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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.