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Finding the Fourth Proportional to 55,893.88, 83,840.88 and 14,340.88

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Solution

The fourth proportional to 55,893.88, 83,840.88 and 14,340.88 is: 21,511.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,893.88 : 83,840.88 = 14,340.88 : x
  2. Step 2: Convert to fraction form
    55,893.88/83,840.88 = 14,340.88/x
  3. Step 3: Cross multiply
    55,893.88x = 83,840.88 × 14,340.88
  4. Step 4: Simplify right side
    55,893.88x = 1,202,351,999.17
  5. Step 5: Solve for x
    x = 1,202,351,999.17/55,893.88
  6. Step 6: Final answer
    x = 21,511.34

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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.