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Finding the Fourth Proportional to 53,529.72, 79,968.94 and 34,656

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Solution

The fourth proportional to 53,529.72, 79,968.94 and 34,656 is: 51,773.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,529.72 : 79,968.94 = 34,656 : x
  2. Step 2: Convert to fraction form
    53,529.72/79,968.94 = 34,656/x
  3. Step 3: Cross multiply
    53,529.72x = 79,968.94 × 34,656
  4. Step 4: Simplify right side
    53,529.72x = 2,771,403,584.64
  5. Step 5: Solve for x
    x = 2,771,403,584.64/53,529.72
  6. Step 6: Final answer
    x = 51,773.18

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.