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Finding the Fourth Proportional to 73,554.50, 101,505.21 and 40,020.74

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Solution

The fourth proportional to 73,554.50, 101,505.21 and 40,020.74 is: 55,228.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,554.50 : 101,505.21 = 40,020.74 : x
  2. Step 2: Convert to fraction form
    73,554.50/101,505.21 = 40,020.74/x
  3. Step 3: Cross multiply
    73,554.50x = 101,505.21 × 40,020.74
  4. Step 4: Simplify right side
    73,554.50x = 4,062,313,618.06
  5. Step 5: Solve for x
    x = 4,062,313,618.06/73,554.50
  6. Step 6: Final answer
    x = 55,228.62

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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.