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Finding the Fourth Proportional to 50,603, 69,832.18 and 28,247

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Solution

The fourth proportional to 50,603, 69,832.18 and 28,247 is: 38,980.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,603 : 69,832.18 = 28,247 : x
  2. Step 2: Convert to fraction form
    50,603/69,832.18 = 28,247/x
  3. Step 3: Cross multiply
    50,603x = 69,832.18 × 28,247
  4. Step 4: Simplify right side
    50,603x = 1,972,549,588.46
  5. Step 5: Solve for x
    x = 1,972,549,588.46/50,603
  6. Step 6: Final answer
    x = 38,980.88

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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.