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Finding the Fourth Proportional to 50,312.76, 75,471.72 and 12,873.15

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Solution

The fourth proportional to 50,312.76, 75,471.72 and 12,873.15 is: 19,310.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,312.76 : 75,471.72 = 12,873.15 : x
  2. Step 2: Convert to fraction form
    50,312.76/75,471.72 = 12,873.15/x
  3. Step 3: Cross multiply
    50,312.76x = 75,471.72 × 12,873.15
  4. Step 4: Simplify right side
    50,312.76x = 971,558,772.32
  5. Step 5: Solve for x
    x = 971,558,772.32/50,312.76
  6. Step 6: Final answer
    x = 19,310.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.