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Finding the Fourth Proportional to 36,573.24, 54,859.86 and 8,871

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Solution

The fourth proportional to 36,573.24, 54,859.86 and 8,871 is: 13,306.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,573.24 : 54,859.86 = 8,871 : x
  2. Step 2: Convert to fraction form
    36,573.24/54,859.86 = 8,871/x
  3. Step 3: Cross multiply
    36,573.24x = 54,859.86 × 8,871
  4. Step 4: Simplify right side
    36,573.24x = 486,661,818.06
  5. Step 5: Solve for x
    x = 486,661,818.06/36,573.24
  6. Step 6: Final answer
    x = 13,306.50

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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.