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Finding the Fourth Proportional to 44,365.80, 66,548.70 and 40,986.60

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Solution

The fourth proportional to 44,365.80, 66,548.70 and 40,986.60 is: 61,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,365.80 : 66,548.70 = 40,986.60 : x
  2. Step 2: Convert to fraction form
    44,365.80/66,548.70 = 40,986.60/x
  3. Step 3: Cross multiply
    44,365.80x = 66,548.70 × 40,986.60
  4. Step 4: Simplify right side
    44,365.80x = 2,727,604,947.42
  5. Step 5: Solve for x
    x = 2,727,604,947.42/44,365.80
  6. Step 6: Final answer
    x = 61,479.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.