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Finding the Fourth Proportional to 46,805.73, 70,209.51 and 21,839.00

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Solution

The fourth proportional to 46,805.73, 70,209.51 and 21,839.00 is: 32,758.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,805.73 : 70,209.51 = 21,839.00 : x
  2. Step 2: Convert to fraction form
    46,805.73/70,209.51 = 21,839.00/x
  3. Step 3: Cross multiply
    46,805.73x = 70,209.51 × 21,839.00
  4. Step 4: Simplify right side
    46,805.73x = 1,533,305,137.84
  5. Step 5: Solve for x
    x = 1,533,305,137.84/46,805.73
  6. Step 6: Final answer
    x = 32,758.92

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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.