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Finding the Fourth Proportional to 66,707.79, 92,056.01 and 36,493.98

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Solution

The fourth proportional to 66,707.79, 92,056.01 and 36,493.98 is: 50,361.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,707.79 : 92,056.01 = 36,493.98 : x
  2. Step 2: Convert to fraction form
    66,707.79/92,056.01 = 36,493.98/x
  3. Step 3: Cross multiply
    66,707.79x = 92,056.01 × 36,493.98
  4. Step 4: Simplify right side
    66,707.79x = 3,359,490,005.35
  5. Step 5: Solve for x
    x = 3,359,490,005.35/66,707.79
  6. Step 6: Final answer
    x = 50,361.28

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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.