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Finding the Fourth Proportional to 34,697.94, 47,883.10 and 18,782.45

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Solution

The fourth proportional to 34,697.94, 47,883.10 and 18,782.45 is: 25,919.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,697.94 : 47,883.10 = 18,782.45 : x
  2. Step 2: Convert to fraction form
    34,697.94/47,883.10 = 18,782.45/x
  3. Step 3: Cross multiply
    34,697.94x = 47,883.10 × 18,782.45
  4. Step 4: Simplify right side
    34,697.94x = 899,361,860.00
  5. Step 5: Solve for x
    x = 899,361,860.00/34,697.94
  6. Step 6: Final answer
    x = 25,919.75

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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.