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Finding the Fourth Proportional to 32,055.20, 48,085.20 and 8,681.28

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Solution

The fourth proportional to 32,055.20, 48,085.20 and 8,681.28 is: 13,022.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,055.20 : 48,085.20 = 8,681.28 : x
  2. Step 2: Convert to fraction form
    32,055.20/48,085.20 = 8,681.28/x
  3. Step 3: Cross multiply
    32,055.20x = 48,085.20 × 8,681.28
  4. Step 4: Simplify right side
    32,055.20x = 417,441,085.06
  5. Step 5: Solve for x
    x = 417,441,085.06/32,055.20
  6. Step 6: Final answer
    x = 13,022.57

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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.