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Finding the Fourth Proportional to 49,007.70, 73,502.77 and 12,984.39

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Solution

The fourth proportional to 49,007.70, 73,502.77 and 12,984.39 is: 19,474.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,007.70 : 73,502.77 = 12,984.39 : x
  2. Step 2: Convert to fraction form
    49,007.70/73,502.77 = 12,984.39/x
  3. Step 3: Cross multiply
    49,007.70x = 73,502.77 × 12,984.39
  4. Step 4: Simplify right side
    49,007.70x = 954,388,631.76
  5. Step 5: Solve for x
    x = 954,388,631.76/49,007.70
  6. Step 6: Final answer
    x = 19,474.26

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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.