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Finding the Fourth Proportional to 58,008.75, 86,999.43 and 32,719.11

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Solution

The fourth proportional to 58,008.75, 86,999.43 and 32,719.11 is: 49,070.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,008.75 : 86,999.43 = 32,719.11 : x
  2. Step 2: Convert to fraction form
    58,008.75/86,999.43 = 32,719.11/x
  3. Step 3: Cross multiply
    58,008.75x = 86,999.43 × 32,719.11
  4. Step 4: Simplify right side
    58,008.75x = 2,846,543,920.11
  5. Step 5: Solve for x
    x = 2,846,543,920.11/58,008.75
  6. Step 6: Final answer
    x = 49,070.94

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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.