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Finding the Fourth Proportional to 36,715.50, 50,667.80 and 19,948.50

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Solution

The fourth proportional to 36,715.50, 50,667.80 and 19,948.50 is: 27,529.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,715.50 : 50,667.80 = 19,948.50 : x
  2. Step 2: Convert to fraction form
    36,715.50/50,667.80 = 19,948.50/x
  3. Step 3: Cross multiply
    36,715.50x = 50,667.80 × 19,948.50
  4. Step 4: Simplify right side
    36,715.50x = 1,010,746,508.56
  5. Step 5: Solve for x
    x = 1,010,746,508.56/36,715.50
  6. Step 6: Final answer
    x = 27,529.15

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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.