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Finding the Fourth Proportional to 21,792.65, 32,694.30 and 7,002.99

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Solution

The fourth proportional to 21,792.65, 32,694.30 and 7,002.99 is: 10,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,792.65 : 32,694.30 = 7,002.99 : x
  2. Step 2: Convert to fraction form
    21,792.65/32,694.30 = 7,002.99/x
  3. Step 3: Cross multiply
    21,792.65x = 32,694.30 × 7,002.99
  4. Step 4: Simplify right side
    21,792.65x = 228,957,855.96
  5. Step 5: Solve for x
    x = 228,957,855.96/21,792.65
  6. Step 6: Final answer
    x = 10,506.20

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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.