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Finding the Fourth Proportional to 52,295.52, 72,167.20 and 28,421.12

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Solution

The fourth proportional to 52,295.52, 72,167.20 and 28,421.12 is: 39,220.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,295.52 : 72,167.20 = 28,421.12 : x
  2. Step 2: Convert to fraction form
    52,295.52/72,167.20 = 28,421.12/x
  3. Step 3: Cross multiply
    52,295.52x = 72,167.20 × 28,421.12
  4. Step 4: Simplify right side
    52,295.52x = 2,051,072,651.26
  5. Step 5: Solve for x
    x = 2,051,072,651.26/52,295.52
  6. Step 6: Final answer
    x = 39,220.81

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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.