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Finding the Fourth Proportional to 39,194.80, 58,801.97 and 11,492.80

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Solution

The fourth proportional to 39,194.80, 58,801.97 and 11,492.80 is: 17,242.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,194.80 : 58,801.97 = 11,492.80 : x
  2. Step 2: Convert to fraction form
    39,194.80/58,801.97 = 11,492.80/x
  3. Step 3: Cross multiply
    39,194.80x = 58,801.97 × 11,492.80
  4. Step 4: Simplify right side
    39,194.80x = 675,799,280.82
  5. Step 5: Solve for x
    x = 675,799,280.82/39,194.80
  6. Step 6: Final answer
    x = 17,242.06

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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.