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Finding the Fourth Proportional to 29,077.80, 43,568.10 and 14,254.80

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Solution

The fourth proportional to 29,077.80, 43,568.10 and 14,254.80 is: 21,358.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,077.80 : 43,568.10 = 14,254.80 : x
  2. Step 2: Convert to fraction form
    29,077.80/43,568.10 = 14,254.80/x
  3. Step 3: Cross multiply
    29,077.80x = 43,568.10 × 14,254.80
  4. Step 4: Simplify right side
    29,077.80x = 621,054,551.88
  5. Step 5: Solve for x
    x = 621,054,551.88/29,077.80
  6. Step 6: Final answer
    x = 21,358.37

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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.