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Finding the Fourth Proportional to 33,992.76, 46,913.34 and 19,653.20

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Solution

The fourth proportional to 33,992.76, 46,913.34 and 19,653.20 is: 27,123.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,992.76 : 46,913.34 = 19,653.20 : x
  2. Step 2: Convert to fraction form
    33,992.76/46,913.34 = 19,653.20/x
  3. Step 3: Cross multiply
    33,992.76x = 46,913.34 × 19,653.20
  4. Step 4: Simplify right side
    33,992.76x = 921,997,253.69
  5. Step 5: Solve for x
    x = 921,997,253.69/33,992.76
  6. Step 6: Final answer
    x = 27,123.34

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Double scale
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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.