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Finding the Fourth Proportional to 46,821.88, 69,893.51 and 43,353.46

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Solution

The fourth proportional to 46,821.88, 69,893.51 and 43,353.46 is: 64,716.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,821.88 : 69,893.51 = 43,353.46 : x
  2. Step 2: Convert to fraction form
    46,821.88/69,893.51 = 43,353.46/x
  3. Step 3: Cross multiply
    46,821.88x = 69,893.51 × 43,353.46
  4. Step 4: Simplify right side
    46,821.88x = 3,030,125,490.04
  5. Step 5: Solve for x
    x = 3,030,125,490.04/46,821.88
  6. Step 6: Final answer
    x = 64,716.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.