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Finding the Fourth Proportional to 34,755.76, 47,962.83 and 18,840.07

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Solution

The fourth proportional to 34,755.76, 47,962.83 and 18,840.07 is: 25,999.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,755.76 : 47,962.83 = 18,840.07 : x
  2. Step 2: Convert to fraction form
    34,755.76/47,962.83 = 18,840.07/x
  3. Step 3: Cross multiply
    34,755.76x = 47,962.83 × 18,840.07
  4. Step 4: Simplify right side
    34,755.76x = 903,623,074.60
  5. Step 5: Solve for x
    x = 903,623,074.60/34,755.76
  6. Step 6: Final answer
    x = 25,999.23

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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.