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Finding the Fourth Proportional to 22,344.48, 33,486.90 and 11,812.08

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Solution

The fourth proportional to 22,344.48, 33,486.90 and 11,812.08 is: 17,702.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,344.48 : 33,486.90 = 11,812.08 : x
  2. Step 2: Convert to fraction form
    22,344.48/33,486.90 = 11,812.08/x
  3. Step 3: Cross multiply
    22,344.48x = 33,486.90 × 11,812.08
  4. Step 4: Simplify right side
    22,344.48x = 395,549,941.75
  5. Step 5: Solve for x
    x = 395,549,941.75/22,344.48
  6. Step 6: Final answer
    x = 17,702.36

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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.