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Finding the Fourth Proportional to 33,642.76, 46,427.04 and 19,503.80

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Solution

The fourth proportional to 33,642.76, 46,427.04 and 19,503.80 is: 26,915.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,642.76 : 46,427.04 = 19,503.80 : x
  2. Step 2: Convert to fraction form
    33,642.76/46,427.04 = 19,503.80/x
  3. Step 3: Cross multiply
    33,642.76x = 46,427.04 × 19,503.80
  4. Step 4: Simplify right side
    33,642.76x = 905,503,702.75
  5. Step 5: Solve for x
    x = 905,503,702.75/33,642.76
  6. Step 6: Final answer
    x = 26,915.26

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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.