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Finding the Fourth Proportional to 48,969.69, 73,461.07 and 19,380.61

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Solution

The fourth proportional to 48,969.69, 73,461.07 and 19,380.61 is: 29,073.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,969.69 : 73,461.07 = 19,380.61 : x
  2. Step 2: Convert to fraction form
    48,969.69/73,461.07 = 19,380.61/x
  3. Step 3: Cross multiply
    48,969.69x = 73,461.07 × 19,380.61
  4. Step 4: Simplify right side
    48,969.69x = 1,423,719,883.64
  5. Step 5: Solve for x
    x = 1,423,719,883.64/48,969.69
  6. Step 6: Final answer
    x = 29,073.49

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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.