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Finding the Fourth Proportional to 52,650, 72,656.98 and 29,991.08

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Solution

The fourth proportional to 52,650, 72,656.98 and 29,991.08 is: 41,387.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,650 : 72,656.98 = 29,991.08 : x
  2. Step 2: Convert to fraction form
    52,650/72,656.98 = 29,991.08/x
  3. Step 3: Cross multiply
    52,650x = 72,656.98 × 29,991.08
  4. Step 4: Simplify right side
    52,650x = 2,179,061,406.40
  5. Step 5: Solve for x
    x = 2,179,061,406.40/52,650
  6. Step 6: Final answer
    x = 41,387.68

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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.