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Finding the Fourth Proportional to 58,452.52, 87,670.62 and 19,009.96

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Solution

The fourth proportional to 58,452.52, 87,670.62 and 19,009.96 is: 28,512.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,452.52 : 87,670.62 = 19,009.96 : x
  2. Step 2: Convert to fraction form
    58,452.52/87,670.62 = 19,009.96/x
  3. Step 3: Cross multiply
    58,452.52x = 87,670.62 × 19,009.96
  4. Step 4: Simplify right side
    58,452.52x = 1,666,614,979.38
  5. Step 5: Solve for x
    x = 1,666,614,979.38/58,452.52
  6. Step 6: Final answer
    x = 28,512.29

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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.