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Finding the Fourth Proportional to 38,400.71, 57,601.02 and 10,698.71

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Solution

The fourth proportional to 38,400.71, 57,601.02 and 10,698.71 is: 16,048.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,400.71 : 57,601.02 = 10,698.71 : x
  2. Step 2: Convert to fraction form
    38,400.71/57,601.02 = 10,698.71/x
  3. Step 3: Cross multiply
    38,400.71x = 57,601.02 × 10,698.71
  4. Step 4: Simplify right side
    38,400.71x = 616,256,608.68
  5. Step 5: Solve for x
    x = 616,256,608.68/38,400.71
  6. Step 6: Final answer
    x = 16,048.05

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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.