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Finding the Fourth Proportional to 29,878.20, 44,817.30 and 17,412.30

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Solution

The fourth proportional to 29,878.20, 44,817.30 and 17,412.30 is: 26,118.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,878.20 : 44,817.30 = 17,412.30 : x
  2. Step 2: Convert to fraction form
    29,878.20/44,817.30 = 17,412.30/x
  3. Step 3: Cross multiply
    29,878.20x = 44,817.30 × 17,412.30
  4. Step 4: Simplify right side
    29,878.20x = 780,372,272.79
  5. Step 5: Solve for x
    x = 780,372,272.79/29,878.20
  6. Step 6: Final answer
    x = 26,118.45

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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.