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Finding the Fourth Proportional to 21,967.47, 32,950.89 and 5,327.64

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Solution

The fourth proportional to 21,967.47, 32,950.89 and 5,327.64 is: 7,991.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,967.47 : 32,950.89 = 5,327.64 : x
  2. Step 2: Convert to fraction form
    21,967.47/32,950.89 = 5,327.64/x
  3. Step 3: Cross multiply
    21,967.47x = 32,950.89 × 5,327.64
  4. Step 4: Simplify right side
    21,967.47x = 175,550,479.60
  5. Step 5: Solve for x
    x = 175,550,479.60/21,967.47
  6. Step 6: Final answer
    x = 7,991.38

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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.