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Finding the Fourth Proportional to 14,967.75, 22,451.75 and 6,645.53

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Solution

The fourth proportional to 14,967.75, 22,451.75 and 6,645.53 is: 9,968.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,967.75 : 22,451.75 = 6,645.53 : x
  2. Step 2: Convert to fraction form
    14,967.75/22,451.75 = 6,645.53/x
  3. Step 3: Cross multiply
    14,967.75x = 22,451.75 × 6,645.53
  4. Step 4: Simplify right side
    14,967.75x = 149,203,632.69
  5. Step 5: Solve for x
    x = 149,203,632.69/14,967.75
  6. Step 6: Final answer
    x = 9,968.34

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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.