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Finding the Fourth Proportional to 55,071.25, 76,004.81 and 32,715.25

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Solution

The fourth proportional to 55,071.25, 76,004.81 and 32,715.25 is: 45,150.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,071.25 : 76,004.81 = 32,715.25 : x
  2. Step 2: Convert to fraction form
    55,071.25/76,004.81 = 32,715.25/x
  3. Step 3: Cross multiply
    55,071.25x = 76,004.81 × 32,715.25
  4. Step 4: Simplify right side
    55,071.25x = 2,486,516,196.78
  5. Step 5: Solve for x
    x = 2,486,516,196.78/55,071.25
  6. Step 6: Final answer
    x = 45,150.89

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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.