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Finding the Fourth Proportional to 67,050.92, 92,546.90 and 38,773

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Solution

The fourth proportional to 67,050.92, 92,546.90 and 38,773 is: 53,516.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,050.92 : 92,546.90 = 38,773 : x
  2. Step 2: Convert to fraction form
    67,050.92/92,546.90 = 38,773/x
  3. Step 3: Cross multiply
    67,050.92x = 92,546.90 × 38,773
  4. Step 4: Simplify right side
    67,050.92x = 3,588,320,953.70
  5. Step 5: Solve for x
    x = 3,588,320,953.70/67,050.92
  6. Step 6: Final answer
    x = 53,516.36

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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.