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Finding the Fourth Proportional to 58,543.90, 87,804.78 and 19,102.48

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Solution

The fourth proportional to 58,543.90, 87,804.78 and 19,102.48 is: 28,650.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,543.90 : 87,804.78 = 19,102.48 : x
  2. Step 2: Convert to fraction form
    58,543.90/87,804.78 = 19,102.48/x
  3. Step 3: Cross multiply
    58,543.90x = 87,804.78 × 19,102.48
  4. Step 4: Simplify right side
    58,543.90x = 1,677,289,053.85
  5. Step 5: Solve for x
    x = 1,677,289,053.85/58,543.90
  6. Step 6: Final answer
    x = 28,650.11

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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.