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Finding the Fourth Proportional to 22,041.68, 30,416.96 and 12,609.68

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Solution

The fourth proportional to 22,041.68, 30,416.96 and 12,609.68 is: 17,401.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,041.68 : 30,416.96 = 12,609.68 : x
  2. Step 2: Convert to fraction form
    22,041.68/30,416.96 = 12,609.68/x
  3. Step 3: Cross multiply
    22,041.68x = 30,416.96 × 12,609.68
  4. Step 4: Simplify right side
    22,041.68x = 383,548,132.17
  5. Step 5: Solve for x
    x = 383,548,132.17/22,041.68
  6. Step 6: Final answer
    x = 17,401.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.