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Finding the Fourth Proportional to 66,992.04, 92,443.68 and 36,777.30

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Solution

The fourth proportional to 66,992.04, 92,443.68 and 36,777.30 is: 50,749.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,992.04 : 92,443.68 = 36,777.30 : x
  2. Step 2: Convert to fraction form
    66,992.04/92,443.68 = 36,777.30/x
  3. Step 3: Cross multiply
    66,992.04x = 92,443.68 × 36,777.30
  4. Step 4: Simplify right side
    66,992.04x = 3,399,828,952.46
  5. Step 5: Solve for x
    x = 3,399,828,952.46/66,992.04
  6. Step 6: Final answer
    x = 50,749.75

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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.