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Finding the Fourth Proportional to 46,633.44, 69,967.44 and 21,686.88

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Solution

The fourth proportional to 46,633.44, 69,967.44 and 21,686.88 is: 32,538.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,633.44 : 69,967.44 = 21,686.88 : x
  2. Step 2: Convert to fraction form
    46,633.44/69,967.44 = 21,686.88/x
  3. Step 3: Cross multiply
    46,633.44x = 69,967.44 × 21,686.88
  4. Step 4: Simplify right side
    46,633.44x = 1,517,375,475.19
  5. Step 5: Solve for x
    x = 1,517,375,475.19/46,633.44
  6. Step 6: Final answer
    x = 32,538.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.