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Finding the Fourth Proportional to 66,685.95, 92,060.07 and 51,544.42

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Solution

The fourth proportional to 66,685.95, 92,060.07 and 51,544.42 is: 71,157.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,685.95 : 92,060.07 = 51,544.42 : x
  2. Step 2: Convert to fraction form
    66,685.95/92,060.07 = 51,544.42/x
  3. Step 3: Cross multiply
    66,685.95x = 92,060.07 × 51,544.42
  4. Step 4: Simplify right side
    66,685.95x = 4,745,182,195.29
  5. Step 5: Solve for x
    x = 4,745,182,195.29/66,685.95
  6. Step 6: Final answer
    x = 71,157.15

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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.