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Finding the Fourth Proportional to 47,394.80, 65,405.13 and 25,883.99

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Solution

The fourth proportional to 47,394.80, 65,405.13 and 25,883.99 is: 35,720.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,394.80 : 65,405.13 = 25,883.99 : x
  2. Step 2: Convert to fraction form
    47,394.80/65,405.13 = 25,883.99/x
  3. Step 3: Cross multiply
    47,394.80x = 65,405.13 × 25,883.99
  4. Step 4: Simplify right side
    47,394.80x = 1,692,945,403.84
  5. Step 5: Solve for x
    x = 1,692,945,403.84/47,394.80
  6. Step 6: Final answer
    x = 35,720.07

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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.