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Finding the Fourth Proportional to 29,802.42, 44,702.82 and 13,789.80

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Solution

The fourth proportional to 29,802.42, 44,702.82 and 13,789.80 is: 20,684.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,802.42 : 44,702.82 = 13,789.80 : x
  2. Step 2: Convert to fraction form
    29,802.42/44,702.82 = 13,789.80/x
  3. Step 3: Cross multiply
    29,802.42x = 44,702.82 × 13,789.80
  4. Step 4: Simplify right side
    29,802.42x = 616,442,947.24
  5. Step 5: Solve for x
    x = 616,442,947.24/29,802.42
  6. Step 6: Final answer
    x = 20,684.33

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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.