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Finding the Fourth Proportional to 68,254.92, 94,199.44 and 38,043

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Solution

The fourth proportional to 68,254.92, 94,199.44 and 38,043 is: 52,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,254.92 : 94,199.44 = 38,043 : x
  2. Step 2: Convert to fraction form
    68,254.92/94,199.44 = 38,043/x
  3. Step 3: Cross multiply
    68,254.92x = 94,199.44 × 38,043
  4. Step 4: Simplify right side
    68,254.92x = 3,583,629,295.92
  5. Step 5: Solve for x
    x = 3,583,629,295.92/68,254.92
  6. Step 6: Final answer
    x = 52,503.60

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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.