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Finding the Fourth Proportional to 36,580.14, 54,870.21 and 8,878.14

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Solution

The fourth proportional to 36,580.14, 54,870.21 and 8,878.14 is: 13,317.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,580.14 : 54,870.21 = 8,878.14 : x
  2. Step 2: Convert to fraction form
    36,580.14/54,870.21 = 8,878.14/x
  3. Step 3: Cross multiply
    36,580.14x = 54,870.21 × 8,878.14
  4. Step 4: Simplify right side
    36,580.14x = 487,145,406.21
  5. Step 5: Solve for x
    x = 487,145,406.21/36,580.14
  6. Step 6: Final answer
    x = 13,317.21

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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.