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Finding the Fourth Proportional to 4,999.59, 7,500.05 and 1,836.61

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Solution

The fourth proportional to 4,999.59, 7,500.05 and 1,836.61 is: 2,755.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,999.59 : 7,500.05 = 1,836.61 : x
  2. Step 2: Convert to fraction form
    4,999.59/7,500.05 = 1,836.61/x
  3. Step 3: Cross multiply
    4,999.59x = 7,500.05 × 1,836.61
  4. Step 4: Simplify right side
    4,999.59x = 13,774,666.83
  5. Step 5: Solve for x
    x = 13,774,666.83/4,999.59
  6. Step 6: Final answer
    x = 2,755.16

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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.