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Finding the Fourth Proportional to 49,373.80, 74,059.03 and 19,783.69

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Solution

The fourth proportional to 49,373.80, 74,059.03 and 19,783.69 is: 29,674.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,373.80 : 74,059.03 = 19,783.69 : x
  2. Step 2: Convert to fraction form
    49,373.80/74,059.03 = 19,783.69/x
  3. Step 3: Cross multiply
    49,373.80x = 74,059.03 × 19,783.69
  4. Step 4: Simplify right side
    49,373.80x = 1,465,160,891.22
  5. Step 5: Solve for x
    x = 1,465,160,891.22/49,373.80
  6. Step 6: Final answer
    x = 29,674.87

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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.