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Finding the Fourth Proportional to 58,804.03, 87,761.66 and 53,128.94

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Solution

The fourth proportional to 58,804.03, 87,761.66 and 53,128.94 is: 79,291.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,804.03 : 87,761.66 = 53,128.94 : x
  2. Step 2: Convert to fraction form
    58,804.03/87,761.66 = 53,128.94/x
  3. Step 3: Cross multiply
    58,804.03x = 87,761.66 × 53,128.94
  4. Step 4: Simplify right side
    58,804.03x = 4,662,683,968.44
  5. Step 5: Solve for x
    x = 4,662,683,968.44/58,804.03
  6. Step 6: Final answer
    x = 79,291.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.