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Finding the Fourth Proportional to 50,731.19, 70,037.19 and 30,593.17

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Solution

The fourth proportional to 50,731.19, 70,037.19 and 30,593.17 is: 42,235.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,731.19 : 70,037.19 = 30,593.17 : x
  2. Step 2: Convert to fraction form
    50,731.19/70,037.19 = 30,593.17/x
  3. Step 3: Cross multiply
    50,731.19x = 70,037.19 × 30,593.17
  4. Step 4: Simplify right side
    50,731.19x = 2,142,659,484.90
  5. Step 5: Solve for x
    x = 2,142,659,484.90/50,731.19
  6. Step 6: Final answer
    x = 42,235.55

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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.