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Finding the Fourth Proportional to 36,552.81, 54,829.62 and 12,861.03

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Solution

The fourth proportional to 36,552.81, 54,829.62 and 12,861.03 is: 19,291.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,552.81 : 54,829.62 = 12,861.03 : x
  2. Step 2: Convert to fraction form
    36,552.81/54,829.62 = 12,861.03/x
  3. Step 3: Cross multiply
    36,552.81x = 54,829.62 × 12,861.03
  4. Step 4: Simplify right side
    36,552.81x = 705,165,387.71
  5. Step 5: Solve for x
    x = 705,165,387.71/36,552.81
  6. Step 6: Final answer
    x = 19,291.69

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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.