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Finding the Fourth Proportional to 22,403.64, 33,602.22 and 7,613.04

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Solution

The fourth proportional to 22,403.64, 33,602.22 and 7,613.04 is: 11,418.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,403.64 : 33,602.22 = 7,613.04 : x
  2. Step 2: Convert to fraction form
    22,403.64/33,602.22 = 7,613.04/x
  3. Step 3: Cross multiply
    22,403.64x = 33,602.22 × 7,613.04
  4. Step 4: Simplify right side
    22,403.64x = 255,815,044.95
  5. Step 5: Solve for x
    x = 255,815,044.95/22,403.64
  6. Step 6: Final answer
    x = 11,418.46

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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.