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Finding the Fourth Proportional to 45,512.84, 68,274.72 and 43,024.52

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Solution

The fourth proportional to 45,512.84, 68,274.72 and 43,024.52 is: 64,541.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,512.84 : 68,274.72 = 43,024.52 : x
  2. Step 2: Convert to fraction form
    45,512.84/68,274.72 = 43,024.52/x
  3. Step 3: Cross multiply
    45,512.84x = 68,274.72 × 43,024.52
  4. Step 4: Simplify right side
    45,512.84x = 2,937,487,056.13
  5. Step 5: Solve for x
    x = 2,937,487,056.13/45,512.84
  6. Step 6: Final answer
    x = 64,541.94

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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.