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Finding the Fourth Proportional to 46,507.62, 69,760.80 and 11,447.58

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Solution

The fourth proportional to 46,507.62, 69,760.80 and 11,447.58 is: 17,171.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,507.62 : 69,760.80 = 11,447.58 : x
  2. Step 2: Convert to fraction form
    46,507.62/69,760.80 = 11,447.58/x
  3. Step 3: Cross multiply
    46,507.62x = 69,760.80 × 11,447.58
  4. Step 4: Simplify right side
    46,507.62x = 798,592,338.86
  5. Step 5: Solve for x
    x = 798,592,338.86/46,507.62
  6. Step 6: Final answer
    x = 17,171.21

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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.