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Finding the Fourth Proportional to 63,783.44, 88,021.04 and 35,488.48

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Solution

The fourth proportional to 63,783.44, 88,021.04 and 35,488.48 is: 48,974.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,783.44 : 88,021.04 = 35,488.48 : x
  2. Step 2: Convert to fraction form
    63,783.44/88,021.04 = 35,488.48/x
  3. Step 3: Cross multiply
    63,783.44x = 88,021.04 × 35,488.48
  4. Step 4: Simplify right side
    63,783.44x = 3,123,732,917.62
  5. Step 5: Solve for x
    x = 3,123,732,917.62/63,783.44
  6. Step 6: Final answer
    x = 48,974.04

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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.