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Finding the Fourth Proportional to 36,452.12, 54,678.18 and 8,750.12

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Solution

The fourth proportional to 36,452.12, 54,678.18 and 8,750.12 is: 13,125.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,452.12 : 54,678.18 = 8,750.12 : x
  2. Step 2: Convert to fraction form
    36,452.12/54,678.18 = 8,750.12/x
  3. Step 3: Cross multiply
    36,452.12x = 54,678.18 × 8,750.12
  4. Step 4: Simplify right side
    36,452.12x = 478,440,773.08
  5. Step 5: Solve for x
    x = 478,440,773.08/36,452.12
  6. Step 6: Final answer
    x = 13,125.18

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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.