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Finding the Fourth Proportional to 67,706.17, 93,384.16 and 43,814.41

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Solution

The fourth proportional to 67,706.17, 93,384.16 and 43,814.41 is: 60,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,706.17 : 93,384.16 = 43,814.41 : x
  2. Step 2: Convert to fraction form
    67,706.17/93,384.16 = 43,814.41/x
  3. Step 3: Cross multiply
    67,706.17x = 93,384.16 × 43,814.41
  4. Step 4: Simplify right side
    67,706.17x = 4,091,571,873.75
  5. Step 5: Solve for x
    x = 4,091,571,873.75/67,706.17
  6. Step 6: Final answer
    x = 60,431.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.