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Finding the Fourth Proportional to 55,034.53, 82,588.75 and 19,495.71

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Solution

The fourth proportional to 55,034.53, 82,588.75 and 19,495.71 is: 29,256.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,034.53 : 82,588.75 = 19,495.71 : x
  2. Step 2: Convert to fraction form
    55,034.53/82,588.75 = 19,495.71/x
  3. Step 3: Cross multiply
    55,034.53x = 82,588.75 × 19,495.71
  4. Step 4: Simplify right side
    55,034.53x = 1,610,126,270.52
  5. Step 5: Solve for x
    x = 1,610,126,270.52/55,034.53
  6. Step 6: Final answer
    x = 29,256.66

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Why These Related Problems?

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