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Finding the Fourth Proportional to 58,341.33, 87,516.60 and 28,743.02

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Solution

The fourth proportional to 58,341.33, 87,516.60 and 28,743.02 is: 43,116.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,341.33 : 87,516.60 = 28,743.02 : x
  2. Step 2: Convert to fraction form
    58,341.33/87,516.60 = 28,743.02/x
  3. Step 3: Cross multiply
    58,341.33x = 87,516.60 × 28,743.02
  4. Step 4: Simplify right side
    58,341.33x = 2,515,491,384.13
  5. Step 5: Solve for x
    x = 2,515,491,384.13/58,341.33
  6. Step 6: Final answer
    x = 43,116.80

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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.