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Finding the Fourth Proportional to 36,572.74, 54,859.11 and 8,870.50

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Solution

The fourth proportional to 36,572.74, 54,859.11 and 8,870.50 is: 13,305.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,572.74 : 54,859.11 = 8,870.50 : x
  2. Step 2: Convert to fraction form
    36,572.74/54,859.11 = 8,870.50/x
  3. Step 3: Cross multiply
    36,572.74x = 54,859.11 × 8,870.50
  4. Step 4: Simplify right side
    36,572.74x = 486,627,735.26
  5. Step 5: Solve for x
    x = 486,627,735.26/36,572.74
  6. Step 6: Final answer
    x = 13,305.75

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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.