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Finding the Fourth Proportional to 68,309.57, 94,267.03 and 38,094.93

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Solution

The fourth proportional to 68,309.57, 94,267.03 and 38,094.93 is: 52,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,309.57 : 94,267.03 = 38,094.93 : x
  2. Step 2: Convert to fraction form
    68,309.57/94,267.03 = 38,094.93/x
  3. Step 3: Cross multiply
    68,309.57x = 94,267.03 × 38,094.93
  4. Step 4: Simplify right side
    68,309.57x = 3,591,095,813.92
  5. Step 5: Solve for x
    x = 3,591,095,813.92/68,309.57
  6. Step 6: Final answer
    x = 52,570.90

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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.