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Finding the Fourth Proportional to 45,607.59, 68,422.02 and 15,622.15

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Solution

The fourth proportional to 45,607.59, 68,422.02 and 15,622.15 is: 23,436.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,607.59 : 68,422.02 = 15,622.15 : x
  2. Step 2: Convert to fraction form
    45,607.59/68,422.02 = 15,622.15/x
  3. Step 3: Cross multiply
    45,607.59x = 68,422.02 × 15,622.15
  4. Step 4: Simplify right side
    45,607.59x = 1,068,898,981.63
  5. Step 5: Solve for x
    x = 1,068,898,981.63/45,607.59
  6. Step 6: Final answer
    x = 23,436.87

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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.