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Finding the Fourth Proportional to 54,556.80, 81,798.75 and 44,039.76

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Solution

The fourth proportional to 54,556.80, 81,798.75 and 44,039.76 is: 66,030.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,556.80 : 81,798.75 = 44,039.76 : x
  2. Step 2: Convert to fraction form
    54,556.80/81,798.75 = 44,039.76/x
  3. Step 3: Cross multiply
    54,556.80x = 81,798.75 × 44,039.76
  4. Step 4: Simplify right side
    54,556.80x = 3,602,397,318.30
  5. Step 5: Solve for x
    x = 3,602,397,318.30/54,556.80
  6. Step 6: Final answer
    x = 66,030.22

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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.