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Finding the Fourth Proportional to 57,818.66, 86,739.69 and 32,870.66

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Solution

The fourth proportional to 57,818.66, 86,739.69 and 32,870.66 is: 49,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,818.66 : 86,739.69 = 32,870.66 : x
  2. Step 2: Convert to fraction form
    57,818.66/86,739.69 = 32,870.66/x
  3. Step 3: Cross multiply
    57,818.66x = 86,739.69 × 32,870.66
  4. Step 4: Simplify right side
    57,818.66x = 2,851,190,858.50
  5. Step 5: Solve for x
    x = 2,851,190,858.50/57,818.66
  6. Step 6: Final answer
    x = 49,312.64

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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.