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Finding the Fourth Proportional to 50,503.40, 69,695.16 and 27,843.18

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Solution

The fourth proportional to 50,503.40, 69,695.16 and 27,843.18 is: 38,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,503.40 : 69,695.16 = 27,843.18 : x
  2. Step 2: Convert to fraction form
    50,503.40/69,695.16 = 27,843.18/x
  3. Step 3: Cross multiply
    50,503.40x = 69,695.16 × 27,843.18
  4. Step 4: Simplify right side
    50,503.40x = 1,940,534,885.01
  5. Step 5: Solve for x
    x = 1,940,534,885.01/50,503.40
  6. Step 6: Final answer
    x = 38,423.85

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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.