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Finding the Fourth Proportional to 21,966.91, 32,950.04 and 5,327.08

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Solution

The fourth proportional to 21,966.91, 32,950.04 and 5,327.08 is: 7,990.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,966.91 : 32,950.04 = 5,327.08 : x
  2. Step 2: Convert to fraction form
    21,966.91/32,950.04 = 5,327.08/x
  3. Step 3: Cross multiply
    21,966.91x = 32,950.04 × 5,327.08
  4. Step 4: Simplify right side
    21,966.91x = 175,527,430.03
  5. Step 5: Solve for x
    x = 175,527,430.03/21,966.91
  6. Step 6: Final answer
    x = 7,990.54

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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.