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Finding the Fourth Proportional to 52,310.81, 72,188.74 and 28,437.32

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Solution

The fourth proportional to 52,310.81, 72,188.74 and 28,437.32 is: 39,243.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,310.81 : 72,188.74 = 28,437.32 : x
  2. Step 2: Convert to fraction form
    52,310.81/72,188.74 = 28,437.32/x
  3. Step 3: Cross multiply
    52,310.81x = 72,188.74 × 28,437.32
  4. Step 4: Simplify right side
    52,310.81x = 2,052,854,392.74
  5. Step 5: Solve for x
    x = 2,052,854,392.74/52,310.81
  6. Step 6: Final answer
    x = 39,243.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.