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Finding the Fourth Proportional to 55,809.90, 83,728.35 and 16,368.30

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Solution

The fourth proportional to 55,809.90, 83,728.35 and 16,368.30 is: 24,556.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,809.90 : 83,728.35 = 16,368.30 : x
  2. Step 2: Convert to fraction form
    55,809.90/83,728.35 = 16,368.30/x
  3. Step 3: Cross multiply
    55,809.90x = 83,728.35 × 16,368.30
  4. Step 4: Simplify right side
    55,809.90x = 1,370,490,751.31
  5. Step 5: Solve for x
    x = 1,370,490,751.31/55,809.90
  6. Step 6: Final answer
    x = 24,556.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.