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Finding the Fourth Proportional to 35,089.80, 48,421.86 and 19,171.08

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Solution

The fourth proportional to 35,089.80, 48,421.86 and 19,171.08 is: 26,454.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,089.80 : 48,421.86 = 19,171.08 : x
  2. Step 2: Convert to fraction form
    35,089.80/48,421.86 = 19,171.08/x
  3. Step 3: Cross multiply
    35,089.80x = 48,421.86 × 19,171.08
  4. Step 4: Simplify right side
    35,089.80x = 928,299,351.81
  5. Step 5: Solve for x
    x = 928,299,351.81/35,089.80
  6. Step 6: Final answer
    x = 26,454.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.