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Finding the Fourth Proportional to 22,605.40, 33,883.47 and 19,308.49

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Solution

The fourth proportional to 22,605.40, 33,883.47 and 19,308.49 is: 28,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,605.40 : 33,883.47 = 19,308.49 : x
  2. Step 2: Convert to fraction form
    22,605.40/33,883.47 = 19,308.49/x
  3. Step 3: Cross multiply
    22,605.40x = 33,883.47 × 19,308.49
  4. Step 4: Simplify right side
    22,605.40x = 654,238,641.66
  5. Step 5: Solve for x
    x = 654,238,641.66/22,605.40
  6. Step 6: Final answer
    x = 28,941.70

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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.