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Finding the Fourth Proportional to 22,167.84, 30,590.88 and 12,736.08

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Solution

The fourth proportional to 22,167.84, 30,590.88 and 12,736.08 is: 17,575.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,167.84 : 30,590.88 = 12,736.08 : x
  2. Step 2: Convert to fraction form
    22,167.84/30,590.88 = 12,736.08/x
  3. Step 3: Cross multiply
    22,167.84x = 30,590.88 × 12,736.08
  4. Step 4: Simplify right side
    22,167.84x = 389,607,894.95
  5. Step 5: Solve for x
    x = 389,607,894.95/22,167.84
  6. Step 6: Final answer
    x = 17,575.37

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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.