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Finding the Fourth Proportional to 46,001.88, 63,480.80 and 28,126.80

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Solution

The fourth proportional to 46,001.88, 63,480.80 and 28,126.80 is: 38,813.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,001.88 : 63,480.80 = 28,126.80 : x
  2. Step 2: Convert to fraction form
    46,001.88/63,480.80 = 28,126.80/x
  3. Step 3: Cross multiply
    46,001.88x = 63,480.80 × 28,126.80
  4. Step 4: Simplify right side
    46,001.88x = 1,785,511,765.44
  5. Step 5: Solve for x
    x = 1,785,511,765.44/46,001.88
  6. Step 6: Final answer
    x = 38,813.89

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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.