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Finding the Fourth Proportional to 50,503.94, 69,695.57 and 30,372.35

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Solution

The fourth proportional to 50,503.94, 69,695.57 and 30,372.35 is: 41,913.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,503.94 : 69,695.57 = 30,372.35 : x
  2. Step 2: Convert to fraction form
    50,503.94/69,695.57 = 30,372.35/x
  3. Step 3: Cross multiply
    50,503.94x = 69,695.57 × 30,372.35
  4. Step 4: Simplify right side
    50,503.94x = 2,116,817,821.08
  5. Step 5: Solve for x
    x = 2,116,817,821.08/50,503.94
  6. Step 6: Final answer
    x = 41,913.92

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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.