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Finding the Fourth Proportional to 63,383.40, 95,075.10 and 55,866.60

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Solution

The fourth proportional to 63,383.40, 95,075.10 and 55,866.60 is: 83,799.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,383.40 : 95,075.10 = 55,866.60 : x
  2. Step 2: Convert to fraction form
    63,383.40/95,075.10 = 55,866.60/x
  3. Step 3: Cross multiply
    63,383.40x = 95,075.10 × 55,866.60
  4. Step 4: Simplify right side
    63,383.40x = 5,311,522,581.66
  5. Step 5: Solve for x
    x = 5,311,522,581.66/63,383.40
  6. Step 6: Final answer
    x = 83,799.90

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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.