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Finding the Fourth Proportional to 44,665.60, 66,998.40 and 43,790.80

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Solution

The fourth proportional to 44,665.60, 66,998.40 and 43,790.80 is: 65,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,665.60 : 66,998.40 = 43,790.80 : x
  2. Step 2: Convert to fraction form
    44,665.60/66,998.40 = 43,790.80/x
  3. Step 3: Cross multiply
    44,665.60x = 66,998.40 × 43,790.80
  4. Step 4: Simplify right side
    44,665.60x = 2,933,913,534.72
  5. Step 5: Solve for x
    x = 2,933,913,534.72/44,665.60
  6. Step 6: Final answer
    x = 65,686.20

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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.