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Finding the Fourth Proportional to 36,522.72, 54,784.08 and 8,820.72

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Solution

The fourth proportional to 36,522.72, 54,784.08 and 8,820.72 is: 13,231.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,522.72 : 54,784.08 = 8,820.72 : x
  2. Step 2: Convert to fraction form
    36,522.72/54,784.08 = 8,820.72/x
  3. Step 3: Cross multiply
    36,522.72x = 54,784.08 × 8,820.72
  4. Step 4: Simplify right side
    36,522.72x = 483,235,030.14
  5. Step 5: Solve for x
    x = 483,235,030.14/36,522.72
  6. Step 6: Final answer
    x = 13,231.08

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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.