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Finding the Fourth Proportional to 66,291.98, 91,462.29 and 37,606.88

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Solution

The fourth proportional to 66,291.98, 91,462.29 and 37,606.88 is: 51,885.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,291.98 : 91,462.29 = 37,606.88 : x
  2. Step 2: Convert to fraction form
    66,291.98/91,462.29 = 37,606.88/x
  3. Step 3: Cross multiply
    66,291.98x = 91,462.29 × 37,606.88
  4. Step 4: Simplify right side
    66,291.98x = 3,439,611,364.56
  5. Step 5: Solve for x
    x = 3,439,611,364.56/66,291.98
  6. Step 6: Final answer
    x = 51,885.78

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1.5x scale

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.