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Finding the Fourth Proportional to 66,678.96, 92,017.44 and 36,464.88

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Solution

The fourth proportional to 66,678.96, 92,017.44 and 36,464.88 is: 50,321.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,678.96 : 92,017.44 = 36,464.88 : x
  2. Step 2: Convert to fraction form
    66,678.96/92,017.44 = 36,464.88/x
  3. Step 3: Cross multiply
    66,678.96x = 92,017.44 × 36,464.88
  4. Step 4: Simplify right side
    66,678.96x = 3,355,404,907.51
  5. Step 5: Solve for x
    x = 3,355,404,907.51/66,678.96
  6. Step 6: Final answer
    x = 50,321.79

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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.