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Finding the Fourth Proportional to 46,482.85, 69,694.71 and 21,489.49

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Solution

The fourth proportional to 46,482.85, 69,694.71 and 21,489.49 is: 32,220.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,482.85 : 69,694.71 = 21,489.49 : x
  2. Step 2: Convert to fraction form
    46,482.85/69,694.71 = 21,489.49/x
  3. Step 3: Cross multiply
    46,482.85x = 69,694.71 × 21,489.49
  4. Step 4: Simplify right side
    46,482.85x = 1,497,703,773.60
  5. Step 5: Solve for x
    x = 1,497,703,773.60/46,482.85
  6. Step 6: Final answer
    x = 32,220.57

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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.