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Finding the Fourth Proportional to 52,294.96, 72,167.60 and 28,421.64

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Solution

The fourth proportional to 52,294.96, 72,167.60 and 28,421.64 is: 39,222.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,294.96 : 72,167.60 = 28,421.64 : x
  2. Step 2: Convert to fraction form
    52,294.96/72,167.60 = 28,421.64/x
  3. Step 3: Cross multiply
    52,294.96x = 72,167.60 × 28,421.64
  4. Step 4: Simplify right side
    52,294.96x = 2,051,121,546.86
  5. Step 5: Solve for x
    x = 2,051,121,546.86/52,294.96
  6. Step 6: Final answer
    x = 39,222.16

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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.