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Finding the Fourth Proportional to 68,552.40, 94,602.96 and 39,873.54

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Solution

The fourth proportional to 68,552.40, 94,602.96 and 39,873.54 is: 55,025.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,552.40 : 94,602.96 = 39,873.54 : x
  2. Step 2: Convert to fraction form
    68,552.40/94,602.96 = 39,873.54/x
  3. Step 3: Cross multiply
    68,552.40x = 94,602.96 × 39,873.54
  4. Step 4: Simplify right side
    68,552.40x = 3,772,154,909.68
  5. Step 5: Solve for x
    x = 3,772,154,909.68/68,552.40
  6. Step 6: Final answer
    x = 55,025.86

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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.