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Finding the Fourth Proportional to 58,488.14, 87,739.50 and 19,034.66

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Solution

The fourth proportional to 58,488.14, 87,739.50 and 19,034.66 is: 28,554.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,488.14 : 87,739.50 = 19,034.66 : x
  2. Step 2: Convert to fraction form
    58,488.14/87,739.50 = 19,034.66/x
  3. Step 3: Cross multiply
    58,488.14x = 87,739.50 × 19,034.66
  4. Step 4: Simplify right side
    58,488.14x = 1,670,091,551.07
  5. Step 5: Solve for x
    x = 1,670,091,551.07/58,488.14
  6. Step 6: Final answer
    x = 28,554.36

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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.