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Finding the Fourth Proportional to 67,012.03, 92,478.06 and 36,799.30

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Solution

The fourth proportional to 67,012.03, 92,478.06 and 36,799.30 is: 50,783.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,012.03 : 92,478.06 = 36,799.30 : x
  2. Step 2: Convert to fraction form
    67,012.03/92,478.06 = 36,799.30/x
  3. Step 3: Cross multiply
    67,012.03x = 92,478.06 × 36,799.30
  4. Step 4: Simplify right side
    67,012.03x = 3,403,127,873.36
  5. Step 5: Solve for x
    x = 3,403,127,873.36/67,012.03
  6. Step 6: Final answer
    x = 50,783.83

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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.