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Finding the Fourth Proportional to 66,059.95, 91,167.21 and 37,379.59

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Solution

The fourth proportional to 66,059.95, 91,167.21 and 37,379.59 is: 51,586.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,059.95 : 91,167.21 = 37,379.59 : x
  2. Step 2: Convert to fraction form
    66,059.95/91,167.21 = 37,379.59/x
  3. Step 3: Cross multiply
    66,059.95x = 91,167.21 × 37,379.59
  4. Step 4: Simplify right side
    66,059.95x = 3,407,792,931.24
  5. Step 5: Solve for x
    x = 3,407,792,931.24/66,059.95
  6. Step 6: Final answer
    x = 51,586.37

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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.