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Finding the Fourth Proportional to 22,421.90, 33,604.04 and 9,283.34

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Solution

The fourth proportional to 22,421.90, 33,604.04 and 9,283.34 is: 13,913.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.90 : 33,604.04 = 9,283.34 : x
  2. Step 2: Convert to fraction form
    22,421.90/33,604.04 = 9,283.34/x
  3. Step 3: Cross multiply
    22,421.90x = 33,604.04 × 9,283.34
  4. Step 4: Simplify right side
    22,421.90x = 311,957,728.69
  5. Step 5: Solve for x
    x = 311,957,728.69/22,421.90
  6. Step 6: Final answer
    x = 13,913.08

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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.