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Finding the Fourth Proportional to 68,558.04, 94,602.78 and 38,340.24

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Solution

The fourth proportional to 68,558.04, 94,602.78 and 38,340.24 is: 52,905.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,558.04 : 94,602.78 = 38,340.24 : x
  2. Step 2: Convert to fraction form
    68,558.04/94,602.78 = 38,340.24/x
  3. Step 3: Cross multiply
    68,558.04x = 94,602.78 × 38,340.24
  4. Step 4: Simplify right side
    68,558.04x = 3,627,093,289.87
  5. Step 5: Solve for x
    x = 3,627,093,289.87/68,558.04
  6. Step 6: Final answer
    x = 52,905.44

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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.