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Finding the Fourth Proportional to 34,438.40, 51,662.40 and 14,716.80

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Solution

The fourth proportional to 34,438.40, 51,662.40 and 14,716.80 is: 22,077.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,438.40 : 51,662.40 = 14,716.80 : x
  2. Step 2: Convert to fraction form
    34,438.40/51,662.40 = 14,716.80/x
  3. Step 3: Cross multiply
    34,438.40x = 51,662.40 × 14,716.80
  4. Step 4: Simplify right side
    34,438.40x = 760,305,208.32
  5. Step 5: Solve for x
    x = 760,305,208.32/34,438.40
  6. Step 6: Final answer
    x = 22,077.25

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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.