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Finding the Fourth Proportional to 22,341.42, 33,519.42 and 11,242.40

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Solution

The fourth proportional to 22,341.42, 33,519.42 and 11,242.40 is: 16,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,341.42 : 33,519.42 = 11,242.40 : x
  2. Step 2: Convert to fraction form
    22,341.42/33,519.42 = 11,242.40/x
  3. Step 3: Cross multiply
    22,341.42x = 33,519.42 × 11,242.40
  4. Step 4: Simplify right side
    22,341.42x = 376,838,559.81
  5. Step 5: Solve for x
    x = 376,838,559.81/22,341.42
  6. Step 6: Final answer
    x = 16,867.26

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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.