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Finding the Fourth Proportional to 57,562.50, 86,348.61 and 16,009.50

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Solution

The fourth proportional to 57,562.50, 86,348.61 and 16,009.50 is: 24,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,562.50 : 86,348.61 = 16,009.50 : x
  2. Step 2: Convert to fraction form
    57,562.50/86,348.61 = 16,009.50/x
  3. Step 3: Cross multiply
    57,562.50x = 86,348.61 × 16,009.50
  4. Step 4: Simplify right side
    57,562.50x = 1,382,398,071.80
  5. Step 5: Solve for x
    x = 1,382,398,071.80/57,562.50
  6. Step 6: Final answer
    x = 24,015.60

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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.