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Finding the Fourth Proportional to 50,549.01, 69,758.97 and 27,888.30

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Solution

The fourth proportional to 50,549.01, 69,758.97 and 27,888.30 is: 38,486.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,549.01 : 69,758.97 = 27,888.30 : x
  2. Step 2: Convert to fraction form
    50,549.01/69,758.97 = 27,888.30/x
  3. Step 3: Cross multiply
    50,549.01x = 69,758.97 × 27,888.30
  4. Step 4: Simplify right side
    50,549.01x = 1,945,459,135.34
  5. Step 5: Solve for x
    x = 1,945,459,135.34/50,549.01
  6. Step 6: Final answer
    x = 38,486.59

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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.