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Finding the Fourth Proportional to 68,602.70, 102,904.05 and 33,610.70

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Solution

The fourth proportional to 68,602.70, 102,904.05 and 33,610.70 is: 50,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,602.70 : 102,904.05 = 33,610.70 : x
  2. Step 2: Convert to fraction form
    68,602.70/102,904.05 = 33,610.70/x
  3. Step 3: Cross multiply
    68,602.70x = 102,904.05 × 33,610.70
  4. Step 4: Simplify right side
    68,602.70x = 3,458,677,153.34
  5. Step 5: Solve for x
    x = 3,458,677,153.34/68,602.70
  6. Step 6: Final answer
    x = 50,416.05

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1.5x scale

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.