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Finding the Fourth Proportional to 66,777.71, 92,153.25 and 36,563.04

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Solution

The fourth proportional to 66,777.71, 92,153.25 and 36,563.04 is: 50,457.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,777.71 : 92,153.25 = 36,563.04 : x
  2. Step 2: Convert to fraction form
    66,777.71/92,153.25 = 36,563.04/x
  3. Step 3: Cross multiply
    66,777.71x = 92,153.25 × 36,563.04
  4. Step 4: Simplify right side
    66,777.71x = 3,369,402,965.88
  5. Step 5: Solve for x
    x = 3,369,402,965.88/66,777.71
  6. Step 6: Final answer
    x = 50,457.00

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Why These Related Problems?

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