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Finding the Fourth Proportional to 50,763.69, 70,050.56 and 28,101.11

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Solution

The fourth proportional to 50,763.69, 70,050.56 and 28,101.11 is: 38,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,763.69 : 70,050.56 = 28,101.11 : x
  2. Step 2: Convert to fraction form
    50,763.69/70,050.56 = 28,101.11/x
  3. Step 3: Cross multiply
    50,763.69x = 70,050.56 × 28,101.11
  4. Step 4: Simplify right side
    50,763.69x = 1,968,498,001.36
  5. Step 5: Solve for x
    x = 1,968,498,001.36/50,763.69
  6. Step 6: Final answer
    x = 38,777.68

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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.