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Finding the Fourth Proportional to 55,687.61, 83,538.98 and 16,244.39

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Solution

The fourth proportional to 55,687.61, 83,538.98 and 16,244.39 is: 24,368.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,687.61 : 83,538.98 = 16,244.39 : x
  2. Step 2: Convert to fraction form
    55,687.61/83,538.98 = 16,244.39/x
  3. Step 3: Cross multiply
    55,687.61x = 83,538.98 × 16,244.39
  4. Step 4: Simplify right side
    55,687.61x = 1,357,039,771.32
  5. Step 5: Solve for x
    x = 1,357,039,771.32/55,687.61
  6. Step 6: Final answer
    x = 24,368.79

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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.