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Finding the Fourth Proportional to 46,535.92, 69,811.72 and 21,565.84

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Solution

The fourth proportional to 46,535.92, 69,811.72 and 21,565.84 is: 32,352.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,535.92 : 69,811.72 = 21,565.84 : x
  2. Step 2: Convert to fraction form
    46,535.92/69,811.72 = 21,565.84/x
  3. Step 3: Cross multiply
    46,535.92x = 69,811.72 × 21,565.84
  4. Step 4: Simplify right side
    46,535.92x = 1,505,548,383.64
  5. Step 5: Solve for x
    x = 1,505,548,383.64/46,535.92
  6. Step 6: Final answer
    x = 32,352.39

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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.