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Finding the Fourth Proportional to 50,980.99, 70,365.01 and 28,327.76

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Solution

The fourth proportional to 50,980.99, 70,365.01 and 28,327.76 is: 39,098.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,980.99 : 70,365.01 = 28,327.76 : x
  2. Step 2: Convert to fraction form
    50,980.99/70,365.01 = 28,327.76/x
  3. Step 3: Cross multiply
    50,980.99x = 70,365.01 × 28,327.76
  4. Step 4: Simplify right side
    50,980.99x = 1,993,283,220.77
  5. Step 5: Solve for x
    x = 1,993,283,220.77/50,980.99
  6. Step 6: Final answer
    x = 39,098.56

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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.